Home / 318,926.19-440,119.23-175,685.89

Finding the Fourth Proportional to 318,926.19, 440,119.23 and 175,685.89

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Solution

The fourth proportional to 318,926.19, 440,119.23 and 175,685.89 is: 242,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,926.19 : 440,119.23 = 175,685.89 : x
  2. Step 2: Convert to fraction form
    318,926.19/440,119.23 = 175,685.89/x
  3. Step 3: Cross multiply
    318,926.19x = 440,119.23 × 175,685.89
  4. Step 4: Simplify right side
    318,926.19x = 77,322,738,628.66
  5. Step 5: Solve for x
    x = 77,322,738,628.66/318,926.19
  6. Step 6: Final answer
    x = 242,447.13

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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.