Home / 284,260.72-426,316.80-84,527.36

Finding the Fourth Proportional to 284,260.72, 426,316.80 and 84,527.36

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Solution

The fourth proportional to 284,260.72, 426,316.80 and 84,527.36 is: 126,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,260.72 : 426,316.80 = 84,527.36 : x
  2. Step 2: Convert to fraction form
    284,260.72/426,316.80 = 84,527.36/x
  3. Step 3: Cross multiply
    284,260.72x = 426,316.80 × 84,527.36
  4. Step 4: Simplify right side
    284,260.72x = 36,035,433,627.65
  5. Step 5: Solve for x
    x = 36,035,433,627.65/284,260.72
  6. Step 6: Final answer
    x = 126,768.95

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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.