Home / 424,821.95-637,245.70-104,973.80

Finding the Fourth Proportional to 424,821.95, 637,245.70 and 104,973.80

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Solution

The fourth proportional to 424,821.95, 637,245.70 and 104,973.80 is: 157,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,821.95 : 637,245.70 = 104,973.80 : x
  2. Step 2: Convert to fraction form
    424,821.95/637,245.70 = 104,973.80/x
  3. Step 3: Cross multiply
    424,821.95x = 637,245.70 × 104,973.80
  4. Step 4: Simplify right side
    424,821.95x = 66,894,099,476.43
  5. Step 5: Solve for x
    x = 66,894,099,476.43/424,821.95
  6. Step 6: Final answer
    x = 157,463.85

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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.