Home / 455,737.48-683,607.90-140,192.20

Finding the Fourth Proportional to 455,737.48, 683,607.90 and 140,192.20

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Solution

The fourth proportional to 455,737.48, 683,607.90 and 140,192.20 is: 210,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,737.48 : 683,607.90 = 140,192.20 : x
  2. Step 2: Convert to fraction form
    455,737.48/683,607.90 = 140,192.20/x
  3. Step 3: Cross multiply
    455,737.48x = 683,607.90 × 140,192.20
  4. Step 4: Simplify right side
    455,737.48x = 95,836,495,438.38
  5. Step 5: Solve for x
    x = 95,836,495,438.38/455,737.48
  6. Step 6: Final answer
    x = 210,288.82

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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.