Home / 218,862.24-328,293.72-125,303.28

Finding the Fourth Proportional to 218,862.24, 328,293.72 and 125,303.28

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Solution

The fourth proportional to 218,862.24, 328,293.72 and 125,303.28 is: 187,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,862.24 : 328,293.72 = 125,303.28 : x
  2. Step 2: Convert to fraction form
    218,862.24/328,293.72 = 125,303.28/x
  3. Step 3: Cross multiply
    218,862.24x = 328,293.72 × 125,303.28
  4. Step 4: Simplify right side
    218,862.24x = 41,136,279,919.40
  5. Step 5: Solve for x
    x = 41,136,279,919.40/218,862.24
  6. Step 6: Final answer
    x = 187,955.13

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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.