Home / 370,769.40-556,154.10-121,451.40

Finding the Fourth Proportional to 370,769.40, 556,154.10 and 121,451.40

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Solution

The fourth proportional to 370,769.40, 556,154.10 and 121,451.40 is: 182,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,769.40 : 556,154.10 = 121,451.40 : x
  2. Step 2: Convert to fraction form
    370,769.40/556,154.10 = 121,451.40/x
  3. Step 3: Cross multiply
    370,769.40x = 556,154.10 × 121,451.40
  4. Step 4: Simplify right side
    370,769.40x = 67,545,694,060.74
  5. Step 5: Solve for x
    x = 67,545,694,060.74/370,769.40
  6. Step 6: Final answer
    x = 182,177.10

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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.