Home / 421,902.41-582,507.25-249,875.72

Finding the Fourth Proportional to 421,902.41, 582,507.25 and 249,875.72

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Solution

The fourth proportional to 421,902.41, 582,507.25 and 249,875.72 is: 344,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,902.41 : 582,507.25 = 249,875.72 : x
  2. Step 2: Convert to fraction form
    421,902.41/582,507.25 = 249,875.72/x
  3. Step 3: Cross multiply
    421,902.41x = 582,507.25 × 249,875.72
  4. Step 4: Simplify right side
    421,902.41x = 145,554,417,146.15
  5. Step 5: Solve for x
    x = 145,554,417,146.15/421,902.41
  6. Step 6: Final answer
    x = 344,995.47

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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.