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Finding the Fourth Proportional to 508,157.97, 762,352.00 and 171,189.42

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Solution

The fourth proportional to 508,157.97, 762,352.00 and 171,189.42 is: 256,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,157.97 : 762,352.00 = 171,189.42 : x
  2. Step 2: Convert to fraction form
    508,157.97/762,352.00 = 171,189.42/x
  3. Step 3: Cross multiply
    508,157.97x = 762,352.00 × 171,189.42
  4. Step 4: Simplify right side
    508,157.97x = 130,506,596,287.87
  5. Step 5: Solve for x
    x = 130,506,596,287.87/508,157.97
  6. Step 6: Final answer
    x = 256,822.89

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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.