Home / 218,950.02-328,572.36-76,796.58

Finding the Fourth Proportional to 218,950.02, 328,572.36 and 76,796.58

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Solution

The fourth proportional to 218,950.02, 328,572.36 and 76,796.58 is: 115,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,950.02 : 328,572.36 = 76,796.58 : x
  2. Step 2: Convert to fraction form
    218,950.02/328,572.36 = 76,796.58/x
  3. Step 3: Cross multiply
    218,950.02x = 328,572.36 × 76,796.58
  4. Step 4: Simplify right side
    218,950.02x = 25,233,233,530.53
  5. Step 5: Solve for x
    x = 25,233,233,530.53/218,950.02
  6. Step 6: Final answer
    x = 115,246.55

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1.5x scale

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.