Home / 284,569.20-426,878.10-97,580.70

Finding the Fourth Proportional to 284,569.20, 426,878.10 and 97,580.70

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Solution

The fourth proportional to 284,569.20, 426,878.10 and 97,580.70 is: 146,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,569.20 : 426,878.10 = 97,580.70 : x
  2. Step 2: Convert to fraction form
    284,569.20/426,878.10 = 97,580.70/x
  3. Step 3: Cross multiply
    284,569.20x = 426,878.10 × 97,580.70
  4. Step 4: Simplify right side
    284,569.20x = 41,655,063,812.67
  5. Step 5: Solve for x
    x = 41,655,063,812.67/284,569.20
  6. Step 6: Final answer
    x = 146,379.38

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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.