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Finding the Fourth Proportional to 380,363.50, 524,918.03 and 210,597.63

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Solution

The fourth proportional to 380,363.50, 524,918.03 and 210,597.63 is: 290,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,363.50 : 524,918.03 = 210,597.63 : x
  2. Step 2: Convert to fraction form
    380,363.50/524,918.03 = 210,597.63/x
  3. Step 3: Cross multiply
    380,363.50x = 524,918.03 × 210,597.63
  4. Step 4: Simplify right side
    380,363.50x = 110,546,493,062.27
  5. Step 5: Solve for x
    x = 110,546,493,062.27/380,363.50
  6. Step 6: Final answer
    x = 290,633.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.