Home / 421,904.41-582,510.01-249,877.72

Finding the Fourth Proportional to 421,904.41, 582,510.01 and 249,877.72

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Solution

The fourth proportional to 421,904.41, 582,510.01 and 249,877.72 is: 344,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,904.41 : 582,510.01 = 249,877.72 : x
  2. Step 2: Convert to fraction form
    421,904.41/582,510.01 = 249,877.72/x
  3. Step 3: Cross multiply
    421,904.41x = 582,510.01 × 249,877.72
  4. Step 4: Simplify right side
    421,904.41x = 145,556,273,175.98
  5. Step 5: Solve for x
    x = 145,556,273,175.98/421,904.41
  6. Step 6: Final answer
    x = 344,998.23

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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.