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Finding the Fourth Proportional to 370,659.17, 511,495.88 and 200,889.65

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Solution

The fourth proportional to 370,659.17, 511,495.88 and 200,889.65 is: 277,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,659.17 : 511,495.88 = 200,889.65 : x
  2. Step 2: Convert to fraction form
    370,659.17/511,495.88 = 200,889.65/x
  3. Step 3: Cross multiply
    370,659.17x = 511,495.88 × 200,889.65
  4. Step 4: Simplify right side
    370,659.17x = 102,754,224,747.71
  5. Step 5: Solve for x
    x = 102,754,224,747.71/370,659.17
  6. Step 6: Final answer
    x = 277,220.25

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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.