Home / 443,465.27-665,025.35-143,873.40

Finding the Fourth Proportional to 443,465.27, 665,025.35 and 143,873.40

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Solution

The fourth proportional to 443,465.27, 665,025.35 and 143,873.40 is: 215,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,465.27 : 665,025.35 = 143,873.40 : x
  2. Step 2: Convert to fraction form
    443,465.27/665,025.35 = 143,873.40/x
  3. Step 3: Cross multiply
    443,465.27x = 665,025.35 × 143,873.40
  4. Step 4: Simplify right side
    443,465.27x = 95,679,457,471.32
  5. Step 5: Solve for x
    x = 95,679,457,471.32/443,465.27
  6. Step 6: Final answer
    x = 215,754.12

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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.