Home / 257,056.18-385,510.23-88,569.70

Finding the Fourth Proportional to 257,056.18, 385,510.23 and 88,569.70

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Solution

The fourth proportional to 257,056.18, 385,510.23 and 88,569.70 is: 132,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,056.18 : 385,510.23 = 88,569.70 : x
  2. Step 2: Convert to fraction form
    257,056.18/385,510.23 = 88,569.70/x
  3. Step 3: Cross multiply
    257,056.18x = 385,510.23 × 88,569.70
  4. Step 4: Simplify right side
    257,056.18x = 34,144,525,418.03
  5. Step 5: Solve for x
    x = 34,144,525,418.03/257,056.18
  6. Step 6: Final answer
    x = 132,829.04

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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.