Home / 495,000.20-742,500.30-162,576.20

Finding the Fourth Proportional to 495,000.20, 742,500.30 and 162,576.20

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Solution

The fourth proportional to 495,000.20, 742,500.30 and 162,576.20 is: 243,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,000.20 : 742,500.30 = 162,576.20 : x
  2. Step 2: Convert to fraction form
    495,000.20/742,500.30 = 162,576.20/x
  3. Step 3: Cross multiply
    495,000.20x = 742,500.30 × 162,576.20
  4. Step 4: Simplify right side
    495,000.20x = 120,712,877,272.86
  5. Step 5: Solve for x
    x = 120,712,877,272.86/495,000.20
  6. Step 6: Final answer
    x = 243,864.30

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Similar ratio
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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.