Home / 398,925.20-550,449.06-237,777.32

Finding the Fourth Proportional to 398,925.20, 550,449.06 and 237,777.32

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Solution

The fourth proportional to 398,925.20, 550,449.06 and 237,777.32 is: 328,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,925.20 : 550,449.06 = 237,777.32 : x
  2. Step 2: Convert to fraction form
    398,925.20/550,449.06 = 237,777.32/x
  3. Step 3: Cross multiply
    398,925.20x = 550,449.06 × 237,777.32
  4. Step 4: Simplify right side
    398,925.20x = 130,884,302,283.32
  5. Step 5: Solve for x
    x = 130,884,302,283.32/398,925.20
  6. Step 6: Final answer
    x = 328,092.34

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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.