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Finding the Fourth Proportional to 664,304.20, 996,602.10 and 214,948.60

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Solution

The fourth proportional to 664,304.20, 996,602.10 and 214,948.60 is: 322,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,304.20 : 996,602.10 = 214,948.60 : x
  2. Step 2: Convert to fraction form
    664,304.20/996,602.10 = 214,948.60/x
  3. Step 3: Cross multiply
    664,304.20x = 996,602.10 × 214,948.60
  4. Step 4: Simplify right side
    664,304.20x = 214,218,226,152.06
  5. Step 5: Solve for x
    x = 214,218,226,152.06/664,304.20
  6. Step 6: Final answer
    x = 322,470.08

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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.