Home / 284,144.04-426,347.26-126,475.96

Finding the Fourth Proportional to 284,144.04, 426,347.26 and 126,475.96

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Solution

The fourth proportional to 284,144.04, 426,347.26 and 126,475.96 is: 189,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,144.04 : 426,347.26 = 126,475.96 : x
  2. Step 2: Convert to fraction form
    284,144.04/426,347.26 = 126,475.96/x
  3. Step 3: Cross multiply
    284,144.04x = 426,347.26 × 126,475.96
  4. Step 4: Simplify right side
    284,144.04x = 53,922,679,001.87
  5. Step 5: Solve for x
    x = 53,922,679,001.87/284,144.04
  6. Step 6: Final answer
    x = 189,772.34

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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.