Home / 384,946.20-577,112.10-163,147.80

Finding the Fourth Proportional to 384,946.20, 577,112.10 and 163,147.80

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Solution

The fourth proportional to 384,946.20, 577,112.10 and 163,147.80 is: 244,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,946.20 : 577,112.10 = 163,147.80 : x
  2. Step 2: Convert to fraction form
    384,946.20/577,112.10 = 163,147.80/x
  3. Step 3: Cross multiply
    384,946.20x = 577,112.10 × 163,147.80
  4. Step 4: Simplify right side
    384,946.20x = 94,154,569,468.38
  5. Step 5: Solve for x
    x = 94,154,569,468.38/384,946.20
  6. Step 6: Final answer
    x = 244,591.50

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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.