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Finding the Fourth Proportional to 508,257.01, 762,190.98 and 171,207.10

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Solution

The fourth proportional to 508,257.01, 762,190.98 and 171,207.10 is: 256,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,257.01 : 762,190.98 = 171,207.10 : x
  2. Step 2: Convert to fraction form
    508,257.01/762,190.98 = 171,207.10/x
  3. Step 3: Cross multiply
    508,257.01x = 762,190.98 × 171,207.10
  4. Step 4: Simplify right side
    508,257.01x = 130,492,507,331.96
  5. Step 5: Solve for x
    x = 130,492,507,331.96/508,257.01
  6. Step 6: Final answer
    x = 256,745.12

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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.