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Finding the Fourth Proportional to 284,484.87, 392,600.43 and 163,626.03

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Solution

The fourth proportional to 284,484.87, 392,600.43 and 163,626.03 is: 225,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,484.87 : 392,600.43 = 163,626.03 : x
  2. Step 2: Convert to fraction form
    284,484.87/392,600.43 = 163,626.03/x
  3. Step 3: Cross multiply
    284,484.87x = 392,600.43 × 163,626.03
  4. Step 4: Simplify right side
    284,484.87x = 64,239,649,737.19
  5. Step 5: Solve for x
    x = 64,239,649,737.19/284,484.87
  6. Step 6: Final answer
    x = 225,810.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.