Home / 284,293.90-426,439.13-71,060.75

Finding the Fourth Proportional to 284,293.90, 426,439.13 and 71,060.75

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Solution

The fourth proportional to 284,293.90, 426,439.13 and 71,060.75 is: 106,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,293.90 : 426,439.13 = 71,060.75 : x
  2. Step 2: Convert to fraction form
    284,293.90/426,439.13 = 71,060.75/x
  3. Step 3: Cross multiply
    284,293.90x = 426,439.13 × 71,060.75
  4. Step 4: Simplify right side
    284,293.90x = 30,303,084,407.15
  5. Step 5: Solve for x
    x = 30,303,084,407.15/284,293.90
  6. Step 6: Final answer
    x = 106,590.70

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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.