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Finding the Fourth Proportional to 474,348.52, 654,636.47 and 270,404.29

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Solution

The fourth proportional to 474,348.52, 654,636.47 and 270,404.29 is: 373,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,348.52 : 654,636.47 = 270,404.29 : x
  2. Step 2: Convert to fraction form
    474,348.52/654,636.47 = 270,404.29/x
  3. Step 3: Cross multiply
    474,348.52x = 654,636.47 × 270,404.29
  4. Step 4: Simplify right side
    474,348.52x = 177,016,509,878.46
  5. Step 5: Solve for x
    x = 177,016,509,878.46/474,348.52
  6. Step 6: Final answer
    x = 373,178.16

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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.