Home / 869,286.38-1,303,915.71-238,200.20

Finding the Fourth Proportional to 869,286.38, 1,303,915.71 and 238,200.20

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Solution

The fourth proportional to 869,286.38, 1,303,915.71 and 238,200.20 is: 357,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,286.38 : 1,303,915.71 = 238,200.20 : x
  2. Step 2: Convert to fraction form
    869,286.38/1,303,915.71 = 238,200.20/x
  3. Step 3: Cross multiply
    869,286.38x = 1,303,915.71 × 238,200.20
  4. Step 4: Simplify right side
    869,286.38x = 310,592,976,385.56
  5. Step 5: Solve for x
    x = 310,592,976,385.56/869,286.38
  6. Step 6: Final answer
    x = 357,296.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.