Home / 257,479.49-386,303.07-124,375.03

Finding the Fourth Proportional to 257,479.49, 386,303.07 and 124,375.03

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Solution

The fourth proportional to 257,479.49, 386,303.07 and 124,375.03 is: 186,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,479.49 : 386,303.07 = 124,375.03 : x
  2. Step 2: Convert to fraction form
    257,479.49/386,303.07 = 124,375.03/x
  3. Step 3: Cross multiply
    257,479.49x = 386,303.07 × 124,375.03
  4. Step 4: Simplify right side
    257,479.49x = 48,046,455,420.99
  5. Step 5: Solve for x
    x = 48,046,455,420.99/257,479.49
  6. Step 6: Final answer
    x = 186,603.04

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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.