Home / 370,939.40-556,452.66-118,131.38

Finding the Fourth Proportional to 370,939.40, 556,452.66 and 118,131.38

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Solution

The fourth proportional to 370,939.40, 556,452.66 and 118,131.38 is: 177,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,939.40 : 556,452.66 = 118,131.38 : x
  2. Step 2: Convert to fraction form
    370,939.40/556,452.66 = 118,131.38/x
  3. Step 3: Cross multiply
    370,939.40x = 556,452.66 × 118,131.38
  4. Step 4: Simplify right side
    370,939.40x = 65,734,520,630.47
  5. Step 5: Solve for x
    x = 65,734,520,630.47/370,939.40
  6. Step 6: Final answer
    x = 177,210.94

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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.