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Finding the Fourth Proportional to 370,149.75, 510,810.30 and 200,387.52

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Solution

The fourth proportional to 370,149.75, 510,810.30 and 200,387.52 is: 276,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,149.75 : 510,810.30 = 200,387.52 : x
  2. Step 2: Convert to fraction form
    370,149.75/510,810.30 = 200,387.52/x
  3. Step 3: Cross multiply
    370,149.75x = 510,810.30 × 200,387.52
  4. Step 4: Simplify right side
    370,149.75x = 102,360,009,207.46
  5. Step 5: Solve for x
    x = 102,360,009,207.46/370,149.75
  6. Step 6: Final answer
    x = 276,536.75

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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.