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Finding the Fourth Proportional to 189,737.52, 284,587.20 and 49,496.40

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Solution

The fourth proportional to 189,737.52, 284,587.20 and 49,496.40 is: 74,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,737.52 : 284,587.20 = 49,496.40 : x
  2. Step 2: Convert to fraction form
    189,737.52/284,587.20 = 49,496.40/x
  3. Step 3: Cross multiply
    189,737.52x = 284,587.20 × 49,496.40
  4. Step 4: Simplify right side
    189,737.52x = 14,086,041,886.08
  5. Step 5: Solve for x
    x = 14,086,041,886.08/189,737.52
  6. Step 6: Final answer
    x = 74,239.62

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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.