Home / 349,352.28-524,139.21-124,707.78

Finding the Fourth Proportional to 349,352.28, 524,139.21 and 124,707.78

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Solution

The fourth proportional to 349,352.28, 524,139.21 and 124,707.78 is: 187,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,352.28 : 524,139.21 = 124,707.78 : x
  2. Step 2: Convert to fraction form
    349,352.28/524,139.21 = 124,707.78/x
  3. Step 3: Cross multiply
    349,352.28x = 524,139.21 × 124,707.78
  4. Step 4: Simplify right side
    349,352.28x = 65,364,237,290.05
  5. Step 5: Solve for x
    x = 65,364,237,290.05/349,352.28
  6. Step 6: Final answer
    x = 187,101.22

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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.