Home / 343,277.10-514,915.65-217,305.90

Finding the Fourth Proportional to 343,277.10, 514,915.65 and 217,305.90

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Solution

The fourth proportional to 343,277.10, 514,915.65 and 217,305.90 is: 325,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,277.10 : 514,915.65 = 217,305.90 : x
  2. Step 2: Convert to fraction form
    343,277.10/514,915.65 = 217,305.90/x
  3. Step 3: Cross multiply
    343,277.10x = 514,915.65 × 217,305.90
  4. Step 4: Simplify right side
    343,277.10x = 111,894,208,747.34
  5. Step 5: Solve for x
    x = 111,894,208,747.34/343,277.10
  6. Step 6: Final answer
    x = 325,958.85

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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.