Home / 257,975.04-386,862.93-100,182.18

Finding the Fourth Proportional to 257,975.04, 386,862.93 and 100,182.18

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Solution

The fourth proportional to 257,975.04, 386,862.93 and 100,182.18 is: 150,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,975.04 : 386,862.93 = 100,182.18 : x
  2. Step 2: Convert to fraction form
    257,975.04/386,862.93 = 100,182.18/x
  3. Step 3: Cross multiply
    257,975.04x = 386,862.93 × 100,182.18
  4. Step 4: Simplify right side
    257,975.04x = 38,756,771,688.59
  5. Step 5: Solve for x
    x = 38,756,771,688.59/257,975.04
  6. Step 6: Final answer
    x = 150,234.58

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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.