Home / 229,423.79-344,135.69-89,215.22

Finding the Fourth Proportional to 229,423.79, 344,135.69 and 89,215.22

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Solution

The fourth proportional to 229,423.79, 344,135.69 and 89,215.22 is: 133,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,423.79 : 344,135.69 = 89,215.22 : x
  2. Step 2: Convert to fraction form
    229,423.79/344,135.69 = 89,215.22/x
  3. Step 3: Cross multiply
    229,423.79x = 344,135.69 × 89,215.22
  4. Step 4: Simplify right side
    229,423.79x = 30,702,139,126.45
  5. Step 5: Solve for x
    x = 30,702,139,126.45/229,423.79
  6. Step 6: Final answer
    x = 133,822.83

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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.