Home / 370,297.92-555,447.36-89,815.68

Finding the Fourth Proportional to 370,297.92, 555,447.36 and 89,815.68

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Solution

The fourth proportional to 370,297.92, 555,447.36 and 89,815.68 is: 134,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,297.92 : 555,447.36 = 89,815.68 : x
  2. Step 2: Convert to fraction form
    370,297.92/555,447.36 = 89,815.68/x
  3. Step 3: Cross multiply
    370,297.92x = 555,447.36 × 89,815.68
  4. Step 4: Simplify right side
    370,297.92x = 49,887,882,342.60
  5. Step 5: Solve for x
    x = 49,887,882,342.60/370,297.92
  6. Step 6: Final answer
    x = 134,723.64

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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.