Home / 355,565.27-533,348.41-145,203.20

Finding the Fourth Proportional to 355,565.27, 533,348.41 and 145,203.20

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Solution

The fourth proportional to 355,565.27, 533,348.41 and 145,203.20 is: 217,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,565.27 : 533,348.41 = 145,203.20 : x
  2. Step 2: Convert to fraction form
    355,565.27/533,348.41 = 145,203.20/x
  3. Step 3: Cross multiply
    355,565.27x = 533,348.41 × 145,203.20
  4. Step 4: Simplify right side
    355,565.27x = 77,443,895,846.91
  5. Step 5: Solve for x
    x = 77,443,895,846.91/355,565.27
  6. Step 6: Final answer
    x = 217,805.01

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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.