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Finding the Fourth Proportional to 515,144.16, 772,712.16 and 160,157.52

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Solution

The fourth proportional to 515,144.16, 772,712.16 and 160,157.52 is: 240,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,144.16 : 772,712.16 = 160,157.52 : x
  2. Step 2: Convert to fraction form
    515,144.16/772,712.16 = 160,157.52/x
  3. Step 3: Cross multiply
    515,144.16x = 772,712.16 × 160,157.52
  4. Step 4: Simplify right side
    515,144.16x = 123,755,663,219.44
  5. Step 5: Solve for x
    x = 123,755,663,219.44/515,144.16
  6. Step 6: Final answer
    x = 240,235.01

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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.