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Finding the Fourth Proportional to 445,801.80, 615,196.26 and 254,803.80

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Solution

The fourth proportional to 445,801.80, 615,196.26 and 254,803.80 is: 351,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,801.80 : 615,196.26 = 254,803.80 : x
  2. Step 2: Convert to fraction form
    445,801.80/615,196.26 = 254,803.80/x
  3. Step 3: Cross multiply
    445,801.80x = 615,196.26 × 254,803.80
  4. Step 4: Simplify right side
    445,801.80x = 156,754,344,793.79
  5. Step 5: Solve for x
    x = 156,754,344,793.79/445,801.80
  6. Step 6: Final answer
    x = 351,623.40

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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.