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Finding the Fourth Proportional to 358,404.38, 537,305.24 and 239,713.46

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Solution

The fourth proportional to 358,404.38, 537,305.24 and 239,713.46 is: 359,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,404.38 : 537,305.24 = 239,713.46 : x
  2. Step 2: Convert to fraction form
    358,404.38/537,305.24 = 239,713.46/x
  3. Step 3: Cross multiply
    358,404.38x = 537,305.24 × 239,713.46
  4. Step 4: Simplify right side
    358,404.38x = 128,799,294,271.44
  5. Step 5: Solve for x
    x = 128,799,294,271.44/358,404.38
  6. Step 6: Final answer
    x = 359,368.64

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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.