Home / 318,154.26-439,054.02-174,923.38

Finding the Fourth Proportional to 318,154.26, 439,054.02 and 174,923.38

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Solution

The fourth proportional to 318,154.26, 439,054.02 and 174,923.38 is: 241,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,154.26 : 439,054.02 = 174,923.38 : x
  2. Step 2: Convert to fraction form
    318,154.26/439,054.02 = 174,923.38/x
  3. Step 3: Cross multiply
    318,154.26x = 439,054.02 × 174,923.38
  4. Step 4: Simplify right side
    318,154.26x = 76,800,813,729.81
  5. Step 5: Solve for x
    x = 76,800,813,729.81/318,154.26
  6. Step 6: Final answer
    x = 241,394.89

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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.