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Finding the Fourth Proportional to 370,480.17, 511,263.17 and 200,714.29

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Solution

The fourth proportional to 370,480.17, 511,263.17 and 200,714.29 is: 276,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,480.17 : 511,263.17 = 200,714.29 : x
  2. Step 2: Convert to fraction form
    370,480.17/511,263.17 = 200,714.29/x
  3. Step 3: Cross multiply
    370,480.17x = 511,263.17 × 200,714.29
  4. Step 4: Simplify right side
    370,480.17x = 102,617,824,169.70
  5. Step 5: Solve for x
    x = 102,617,824,169.70/370,480.17
  6. Step 6: Final answer
    x = 276,986.01

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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.