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Finding the Fourth Proportional to 283,326.20, 425,622.90 and 236,670.20

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Solution

The fourth proportional to 283,326.20, 425,622.90 and 236,670.20 is: 355,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,326.20 : 425,622.90 = 236,670.20 : x
  2. Step 2: Convert to fraction form
    283,326.20/425,622.90 = 236,670.20/x
  3. Step 3: Cross multiply
    283,326.20x = 425,622.90 × 236,670.20
  4. Step 4: Simplify right side
    283,326.20x = 100,732,256,867.58
  5. Step 5: Solve for x
    x = 100,732,256,867.58/283,326.20
  6. Step 6: Final answer
    x = 355,534.56

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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.