Home / 495,219.80-742,829.70-140,229.20

Finding the Fourth Proportional to 495,219.80, 742,829.70 and 140,229.20

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Solution

The fourth proportional to 495,219.80, 742,829.70 and 140,229.20 is: 210,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,219.80 : 742,829.70 = 140,229.20 : x
  2. Step 2: Convert to fraction form
    495,219.80/742,829.70 = 140,229.20/x
  3. Step 3: Cross multiply
    495,219.80x = 742,829.70 × 140,229.20
  4. Step 4: Simplify right side
    495,219.80x = 104,166,414,567.24
  5. Step 5: Solve for x
    x = 104,166,414,567.24/495,219.80
  6. Step 6: Final answer
    x = 210,343.80

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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.