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Finding the Fourth Proportional to 331,505.70, 497,258.55 and 94,856.10

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Solution

The fourth proportional to 331,505.70, 497,258.55 and 94,856.10 is: 142,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,505.70 : 497,258.55 = 94,856.10 : x
  2. Step 2: Convert to fraction form
    331,505.70/497,258.55 = 94,856.10/x
  3. Step 3: Cross multiply
    331,505.70x = 497,258.55 × 94,856.10
  4. Step 4: Simplify right side
    331,505.70x = 47,168,006,744.66
  5. Step 5: Solve for x
    x = 47,168,006,744.66/331,505.70
  6. Step 6: Final answer
    x = 142,284.15

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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.