Home / 451,723.09-677,598.30-114,763.81

Finding the Fourth Proportional to 451,723.09, 677,598.30 and 114,763.81

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Solution

The fourth proportional to 451,723.09, 677,598.30 and 114,763.81 is: 172,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,723.09 : 677,598.30 = 114,763.81 : x
  2. Step 2: Convert to fraction form
    451,723.09/677,598.30 = 114,763.81/x
  3. Step 3: Cross multiply
    451,723.09x = 677,598.30 × 114,763.81
  4. Step 4: Simplify right side
    451,723.09x = 77,763,758,595.71
  5. Step 5: Solve for x
    x = 77,763,758,595.71/451,723.09
  6. Step 6: Final answer
    x = 172,149.18

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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.