Home / 229,455.72-344,047.50-87,311.66

Finding the Fourth Proportional to 229,455.72, 344,047.50 and 87,311.66

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Solution

The fourth proportional to 229,455.72, 344,047.50 and 87,311.66 is: 130,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,455.72 : 344,047.50 = 87,311.66 : x
  2. Step 2: Convert to fraction form
    229,455.72/344,047.50 = 87,311.66/x
  3. Step 3: Cross multiply
    229,455.72x = 344,047.50 × 87,311.66
  4. Step 4: Simplify right side
    229,455.72x = 30,039,356,623.61
  5. Step 5: Solve for x
    x = 30,039,356,623.61/229,455.72
  6. Step 6: Final answer
    x = 130,915.70

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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.