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Finding the Fourth Proportional to 307,520.64, 461,278.22 and 97,158.57

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Solution

The fourth proportional to 307,520.64, 461,278.22 and 97,158.57 is: 145,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,520.64 : 461,278.22 = 97,158.57 : x
  2. Step 2: Convert to fraction form
    307,520.64/461,278.22 = 97,158.57/x
  3. Step 3: Cross multiply
    307,520.64x = 461,278.22 × 97,158.57
  4. Step 4: Simplify right side
    307,520.64x = 44,817,131,741.55
  5. Step 5: Solve for x
    x = 44,817,131,741.55/307,520.64
  6. Step 6: Final answer
    x = 145,736.99

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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.