Home / 401,785.96-602,659.40-149,115.66

Finding the Fourth Proportional to 401,785.96, 602,659.40 and 149,115.66

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Solution

The fourth proportional to 401,785.96, 602,659.40 and 149,115.66 is: 223,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,785.96 : 602,659.40 = 149,115.66 : x
  2. Step 2: Convert to fraction form
    401,785.96/602,659.40 = 149,115.66/x
  3. Step 3: Cross multiply
    401,785.96x = 602,659.40 × 149,115.66
  4. Step 4: Simplify right side
    401,785.96x = 89,865,954,186.20
  5. Step 5: Solve for x
    x = 89,865,954,186.20/401,785.96
  6. Step 6: Final answer
    x = 223,666.24

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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.