Home / 318,869.32-440,059.60-175,629.32

Finding the Fourth Proportional to 318,869.32, 440,059.60 and 175,629.32

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Solution

The fourth proportional to 318,869.32, 440,059.60 and 175,629.32 is: 242,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,869.32 : 440,059.60 = 175,629.32 : x
  2. Step 2: Convert to fraction form
    318,869.32/440,059.60 = 175,629.32/x
  3. Step 3: Cross multiply
    318,869.32x = 440,059.60 × 175,629.32
  4. Step 4: Simplify right side
    318,869.32x = 77,287,368,307.47
  5. Step 5: Solve for x
    x = 77,287,368,307.47/318,869.32
  6. Step 6: Final answer
    x = 242,379.44

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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.