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Finding the Fourth Proportional to 370,378.17, 511,122.96 and 200,612.30

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Solution

The fourth proportional to 370,378.17, 511,122.96 and 200,612.30 is: 276,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,378.17 : 511,122.96 = 200,612.30 : x
  2. Step 2: Convert to fraction form
    370,378.17/511,122.96 = 200,612.30/x
  3. Step 3: Cross multiply
    370,378.17x = 511,122.96 × 200,612.30
  4. Step 4: Simplify right side
    370,378.17x = 102,537,550,032.79
  5. Step 5: Solve for x
    x = 102,537,550,032.79/370,378.17
  6. Step 6: Final answer
    x = 276,845.55

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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.