Home / 284,143.04-426,345.76-126,474.96

Finding the Fourth Proportional to 284,143.04, 426,345.76 and 126,474.96

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Solution

The fourth proportional to 284,143.04, 426,345.76 and 126,474.96 is: 189,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,143.04 : 426,345.76 = 126,474.96 : x
  2. Step 2: Convert to fraction form
    284,143.04/426,345.76 = 126,474.96/x
  3. Step 3: Cross multiply
    284,143.04x = 426,345.76 × 126,474.96
  4. Step 4: Simplify right side
    284,143.04x = 53,922,062,942.17
  5. Step 5: Solve for x
    x = 53,922,062,942.17/284,143.04
  6. Step 6: Final answer
    x = 189,770.84

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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.