Home / 281,283.07-421,957.41-112,862.20

Finding the Fourth Proportional to 281,283.07, 421,957.41 and 112,862.20

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Solution

The fourth proportional to 281,283.07, 421,957.41 and 112,862.20 is: 169,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,283.07 : 421,957.41 = 112,862.20 : x
  2. Step 2: Convert to fraction form
    281,283.07/421,957.41 = 112,862.20/x
  3. Step 3: Cross multiply
    281,283.07x = 421,957.41 × 112,862.20
  4. Step 4: Simplify right side
    281,283.07x = 47,623,041,598.90
  5. Step 5: Solve for x
    x = 47,623,041,598.90/281,283.07
  6. Step 6: Final answer
    x = 169,306.46

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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.