Home / 370,582.20-555,873.30-90,097.02

Finding the Fourth Proportional to 370,582.20, 555,873.30 and 90,097.02

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Solution

The fourth proportional to 370,582.20, 555,873.30 and 90,097.02 is: 135,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,582.20 : 555,873.30 = 90,097.02 : x
  2. Step 2: Convert to fraction form
    370,582.20/555,873.30 = 90,097.02/x
  3. Step 3: Cross multiply
    370,582.20x = 555,873.30 × 90,097.02
  4. Step 4: Simplify right side
    370,582.20x = 50,082,527,827.57
  5. Step 5: Solve for x
    x = 50,082,527,827.57/370,582.20
  6. Step 6: Final answer
    x = 135,145.53

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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.