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Finding the Fourth Proportional to 364,289.10, 502,721.19 and 203,154.39

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Solution

The fourth proportional to 364,289.10, 502,721.19 and 203,154.39 is: 280,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,289.10 : 502,721.19 = 203,154.39 : x
  2. Step 2: Convert to fraction form
    364,289.10/502,721.19 = 203,154.39/x
  3. Step 3: Cross multiply
    364,289.10x = 502,721.19 × 203,154.39
  4. Step 4: Simplify right side
    364,289.10x = 102,130,016,694.52
  5. Step 5: Solve for x
    x = 102,130,016,694.52/364,289.10
  6. Step 6: Final answer
    x = 280,354.30

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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.