Home / 424,826.20-637,252.08-104,978.05

Finding the Fourth Proportional to 424,826.20, 637,252.08 and 104,978.05

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Solution

The fourth proportional to 424,826.20, 637,252.08 and 104,978.05 is: 157,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,826.20 : 637,252.08 = 104,978.05 : x
  2. Step 2: Convert to fraction form
    424,826.20/637,252.08 = 104,978.05/x
  3. Step 3: Cross multiply
    424,826.20x = 637,252.08 × 104,978.05
  4. Step 4: Simplify right side
    424,826.20x = 66,897,480,716.84
  5. Step 5: Solve for x
    x = 66,897,480,716.84/424,826.20
  6. Step 6: Final answer
    x = 157,470.23

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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.