Home / 229,831.84-344,157.04-129,842.72

Finding the Fourth Proportional to 229,831.84, 344,157.04 and 129,842.72

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Solution

The fourth proportional to 229,831.84, 344,157.04 and 129,842.72 is: 194,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,831.84 : 344,157.04 = 129,842.72 : x
  2. Step 2: Convert to fraction form
    229,831.84/344,157.04 = 129,842.72/x
  3. Step 3: Cross multiply
    229,831.84x = 344,157.04 × 129,842.72
  4. Step 4: Simplify right side
    229,831.84x = 44,686,286,180.75
  5. Step 5: Solve for x
    x = 44,686,286,180.75/229,831.84
  6. Step 6: Final answer
    x = 194,430.35

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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.