Home / 217,376.10-326,064.15-209,502.90

Finding the Fourth Proportional to 217,376.10, 326,064.15 and 209,502.90

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Solution

The fourth proportional to 217,376.10, 326,064.15 and 209,502.90 is: 314,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,376.10 : 326,064.15 = 209,502.90 : x
  2. Step 2: Convert to fraction form
    217,376.10/326,064.15 = 209,502.90/x
  3. Step 3: Cross multiply
    217,376.10x = 326,064.15 × 209,502.90
  4. Step 4: Simplify right side
    217,376.10x = 68,311,385,011.04
  5. Step 5: Solve for x
    x = 68,311,385,011.04/217,376.10
  6. Step 6: Final answer
    x = 314,254.35

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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.