Home / 366,985.06-550,418.55-100,683.79

Finding the Fourth Proportional to 366,985.06, 550,418.55 and 100,683.79

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Solution

The fourth proportional to 366,985.06, 550,418.55 and 100,683.79 is: 151,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.06 : 550,418.55 = 100,683.79 : x
  2. Step 2: Convert to fraction form
    366,985.06/550,418.55 = 100,683.79/x
  3. Step 3: Cross multiply
    366,985.06x = 550,418.55 × 100,683.79
  4. Step 4: Simplify right side
    366,985.06x = 55,418,225,700.30
  5. Step 5: Solve for x
    x = 55,418,225,700.30/366,985.06
  6. Step 6: Final answer
    x = 151,009.49

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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.