Home / 217,952.08-300,908.04-172,812.40

Finding the Fourth Proportional to 217,952.08, 300,908.04 and 172,812.40

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Solution

The fourth proportional to 217,952.08, 300,908.04 and 172,812.40 is: 238,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,952.08 : 300,908.04 = 172,812.40 : x
  2. Step 2: Convert to fraction form
    217,952.08/300,908.04 = 172,812.40/x
  3. Step 3: Cross multiply
    217,952.08x = 300,908.04 × 172,812.40
  4. Step 4: Simplify right side
    217,952.08x = 52,000,640,571.70
  5. Step 5: Solve for x
    x = 52,000,640,571.70/217,952.08
  6. Step 6: Final answer
    x = 238,587.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.