Home / 317,522.05-438,178.89-174,284.53

Finding the Fourth Proportional to 317,522.05, 438,178.89 and 174,284.53

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Solution

The fourth proportional to 317,522.05, 438,178.89 and 174,284.53 is: 240,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,522.05 : 438,178.89 = 174,284.53 : x
  2. Step 2: Convert to fraction form
    317,522.05/438,178.89 = 174,284.53/x
  3. Step 3: Cross multiply
    317,522.05x = 438,178.89 × 174,284.53
  4. Step 4: Simplify right side
    317,522.05x = 76,367,801,899.57
  5. Step 5: Solve for x
    x = 76,367,801,899.57/317,522.05
  6. Step 6: Final answer
    x = 240,511.81

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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.