Home / 818,180.72-1,227,342.02-249,689.82

Finding the Fourth Proportional to 818,180.72, 1,227,342.02 and 249,689.82

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Solution

The fourth proportional to 818,180.72, 1,227,342.02 and 249,689.82 is: 374,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,180.72 : 1,227,342.02 = 249,689.82 : x
  2. Step 2: Convert to fraction form
    818,180.72/1,227,342.02 = 249,689.82/x
  3. Step 3: Cross multiply
    818,180.72x = 1,227,342.02 × 249,689.82
  4. Step 4: Simplify right side
    818,180.72x = 306,454,808,052.24
  5. Step 5: Solve for x
    x = 306,454,808,052.24/818,180.72
  6. Step 6: Final answer
    x = 374,556.38

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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.