Home / 370,766.80-556,144.44-90,281.68

Finding the Fourth Proportional to 370,766.80, 556,144.44 and 90,281.68

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Solution

The fourth proportional to 370,766.80, 556,144.44 and 90,281.68 is: 135,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,766.80 : 556,144.44 = 90,281.68 : x
  2. Step 2: Convert to fraction form
    370,766.80/556,144.44 = 90,281.68/x
  3. Step 3: Cross multiply
    370,766.80x = 556,144.44 × 90,281.68
  4. Step 4: Simplify right side
    370,766.80x = 50,209,654,365.86
  5. Step 5: Solve for x
    x = 50,209,654,365.86/370,766.80
  6. Step 6: Final answer
    x = 135,421.12

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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.