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Finding the Fourth Proportional to 223,015.80, 307,621.82 and 132,307.55

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Solution

The fourth proportional to 223,015.80, 307,621.82 and 132,307.55 is: 182,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,015.80 : 307,621.82 = 132,307.55 : x
  2. Step 2: Convert to fraction form
    223,015.80/307,621.82 = 132,307.55/x
  3. Step 3: Cross multiply
    223,015.80x = 307,621.82 × 132,307.55
  4. Step 4: Simplify right side
    223,015.80x = 40,700,689,276.98
  5. Step 5: Solve for x
    x = 40,700,689,276.98/223,015.80
  6. Step 6: Final answer
    x = 182,501.37

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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.