Home / 421,839.10-582,047.94-249,811.12

Finding the Fourth Proportional to 421,839.10, 582,047.94 and 249,811.12

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Solution

The fourth proportional to 421,839.10, 582,047.94 and 249,811.12 is: 344,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,839.10 : 582,047.94 = 249,811.12 : x
  2. Step 2: Convert to fraction form
    421,839.10/582,047.94 = 249,811.12/x
  3. Step 3: Cross multiply
    421,839.10x = 582,047.94 × 249,811.12
  4. Step 4: Simplify right side
    421,839.10x = 145,402,047,785.09
  5. Step 5: Solve for x
    x = 145,402,047,785.09/421,839.10
  6. Step 6: Final answer
    x = 344,686.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.