Home / 841,189.32-1,261,776.96-210,098.88

Finding the Fourth Proportional to 841,189.32, 1,261,776.96 and 210,098.88

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Solution

The fourth proportional to 841,189.32, 1,261,776.96 and 210,098.88 is: 315,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,189.32 : 1,261,776.96 = 210,098.88 : x
  2. Step 2: Convert to fraction form
    841,189.32/1,261,776.96 = 210,098.88/x
  3. Step 3: Cross multiply
    841,189.32x = 1,261,776.96 × 210,098.88
  4. Step 4: Simplify right side
    841,189.32x = 265,097,926,105.81
  5. Step 5: Solve for x
    x = 265,097,926,105.81/841,189.32
  6. Step 6: Final answer
    x = 315,146.57

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.