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Finding the Fourth Proportional to 508,262.06, 762,395.72 and 171,305.63

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Solution

The fourth proportional to 508,262.06, 762,395.72 and 171,305.63 is: 256,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,262.06 : 762,395.72 = 171,305.63 : x
  2. Step 2: Convert to fraction form
    508,262.06/762,395.72 = 171,305.63/x
  3. Step 3: Cross multiply
    508,262.06x = 762,395.72 × 171,305.63
  4. Step 4: Simplify right side
    508,262.06x = 130,602,679,123.90
  5. Step 5: Solve for x
    x = 130,602,679,123.90/508,262.06
  6. Step 6: Final answer
    x = 256,959.33

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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.