Home / 223,831.60-335,488.20-90,624.40

Finding the Fourth Proportional to 223,831.60, 335,488.20 and 90,624.40

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Solution

The fourth proportional to 223,831.60, 335,488.20 and 90,624.40 is: 135,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,831.60 : 335,488.20 = 90,624.40 : x
  2. Step 2: Convert to fraction form
    223,831.60/335,488.20 = 90,624.40/x
  3. Step 3: Cross multiply
    223,831.60x = 335,488.20 × 90,624.40
  4. Step 4: Simplify right side
    223,831.60x = 30,403,416,832.08
  5. Step 5: Solve for x
    x = 30,403,416,832.08/223,831.60
  6. Step 6: Final answer
    x = 135,831.66

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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.