Home / 495,220.44-742,732.20-242,392.32

Finding the Fourth Proportional to 495,220.44, 742,732.20 and 242,392.32

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Solution

The fourth proportional to 495,220.44, 742,732.20 and 242,392.32 is: 363,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,220.44 : 742,732.20 = 242,392.32 : x
  2. Step 2: Convert to fraction form
    495,220.44/742,732.20 = 242,392.32/x
  3. Step 3: Cross multiply
    495,220.44x = 742,732.20 × 242,392.32
  4. Step 4: Simplify right side
    495,220.44x = 180,032,581,096.70
  5. Step 5: Solve for x
    x = 180,032,581,096.70/495,220.44
  6. Step 6: Final answer
    x = 363,540.29

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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.