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Finding the Fourth Proportional to 307,618.92, 461,425.50 and 97,256.88

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Solution

The fourth proportional to 307,618.92, 461,425.50 and 97,256.88 is: 145,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,618.92 : 461,425.50 = 97,256.88 : x
  2. Step 2: Convert to fraction form
    307,618.92/461,425.50 = 97,256.88/x
  3. Step 3: Cross multiply
    307,618.92x = 461,425.50 × 97,256.88
  4. Step 4: Simplify right side
    307,618.92x = 44,876,804,482.44
  5. Step 5: Solve for x
    x = 44,876,804,482.44/307,618.92
  6. Step 6: Final answer
    x = 145,884.41

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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.