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Finding the Fourth Proportional to 156,646.32, 234,981.84 and 44,324.76

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Solution

The fourth proportional to 156,646.32, 234,981.84 and 44,324.76 is: 66,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,646.32 : 234,981.84 = 44,324.76 : x
  2. Step 2: Convert to fraction form
    156,646.32/234,981.84 = 44,324.76/x
  3. Step 3: Cross multiply
    156,646.32x = 234,981.84 × 44,324.76
  4. Step 4: Simplify right side
    156,646.32x = 10,415,513,662.36
  5. Step 5: Solve for x
    x = 10,415,513,662.36/156,646.32
  6. Step 6: Final answer
    x = 66,490.64

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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.