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Finding the Fourth Proportional to 443,875.20, 665,812.80 and 163,501.80

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Solution

The fourth proportional to 443,875.20, 665,812.80 and 163,501.80 is: 245,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,875.20 : 665,812.80 = 163,501.80 : x
  2. Step 2: Convert to fraction form
    443,875.20/665,812.80 = 163,501.80/x
  3. Step 3: Cross multiply
    443,875.20x = 665,812.80 × 163,501.80
  4. Step 4: Simplify right side
    443,875.20x = 108,861,591,263.04
  5. Step 5: Solve for x
    x = 108,861,591,263.04/443,875.20
  6. Step 6: Final answer
    x = 245,252.70

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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.