Home / 388,049.10-582,737.85-210,902.10

Finding the Fourth Proportional to 388,049.10, 582,737.85 and 210,902.10

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Solution

The fourth proportional to 388,049.10, 582,737.85 and 210,902.10 is: 316,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,049.10 : 582,737.85 = 210,902.10 : x
  2. Step 2: Convert to fraction form
    388,049.10/582,737.85 = 210,902.10/x
  3. Step 3: Cross multiply
    388,049.10x = 582,737.85 × 210,902.10
  4. Step 4: Simplify right side
    388,049.10x = 122,900,636,314.49
  5. Step 5: Solve for x
    x = 122,900,636,314.49/388,049.10
  6. Step 6: Final answer
    x = 316,714.14

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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.