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Finding the Fourth Proportional to 375,280.08, 517,882.62 and 203,195.08

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Solution

The fourth proportional to 375,280.08, 517,882.62 and 203,195.08 is: 280,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,280.08 : 517,882.62 = 203,195.08 : x
  2. Step 2: Convert to fraction form
    375,280.08/517,882.62 = 203,195.08/x
  3. Step 3: Cross multiply
    375,280.08x = 517,882.62 × 203,195.08
  4. Step 4: Simplify right side
    375,280.08x = 105,231,200,401.51
  5. Step 5: Solve for x
    x = 105,231,200,401.51/375,280.08
  6. Step 6: Final answer
    x = 280,407.10

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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.