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Finding the Fourth Proportional to 366,843.40, 512,531 and 366,843.40

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Solution

The fourth proportional to 366,843.40, 512,531 and 366,843.40 is: 512,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,843.40 : 512,531 = 366,843.40 : x
  2. Step 2: Convert to fraction form
    366,843.40/512,531 = 366,843.40/x
  3. Step 3: Cross multiply
    366,843.40x = 512,531 × 366,843.40
  4. Step 4: Simplify right side
    366,843.40x = 188,018,614,645.40
  5. Step 5: Solve for x
    x = 188,018,614,645.40/366,843.40
  6. Step 6: Final answer
    x = 512,531.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.