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Finding the Fourth Proportional to 402,891.52, 604,250.88 and 166,172.80

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Solution

The fourth proportional to 402,891.52, 604,250.88 and 166,172.80 is: 249,223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,891.52 : 604,250.88 = 166,172.80 : x
  2. Step 2: Convert to fraction form
    402,891.52/604,250.88 = 166,172.80/x
  3. Step 3: Cross multiply
    402,891.52x = 604,250.88 × 166,172.80
  4. Step 4: Simplify right side
    402,891.52x = 100,410,060,632.06
  5. Step 5: Solve for x
    x = 100,410,060,632.06/402,891.52
  6. Step 6: Final answer
    x = 249,223.56

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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.