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Finding the Fourth Proportional to 370,166.76, 510,830.22 and 200,400.90

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Solution

The fourth proportional to 370,166.76, 510,830.22 and 200,400.90 is: 276,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,166.76 : 510,830.22 = 200,400.90 : x
  2. Step 2: Convert to fraction form
    370,166.76/510,830.22 = 200,400.90/x
  3. Step 3: Cross multiply
    370,166.76x = 510,830.22 × 200,400.90
  4. Step 4: Simplify right side
    370,166.76x = 102,370,835,835.20
  5. Step 5: Solve for x
    x = 102,370,835,835.20/370,166.76
  6. Step 6: Final answer
    x = 276,553.29

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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.