Home / 318,749.16-439,870.32-175,505.52

Finding the Fourth Proportional to 318,749.16, 439,870.32 and 175,505.52

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Solution

The fourth proportional to 318,749.16, 439,870.32 and 175,505.52 is: 242,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,749.16 : 439,870.32 = 175,505.52 : x
  2. Step 2: Convert to fraction form
    318,749.16/439,870.32 = 175,505.52/x
  3. Step 3: Cross multiply
    318,749.16x = 439,870.32 × 175,505.52
  4. Step 4: Simplify right side
    318,749.16x = 77,199,669,244.17
  5. Step 5: Solve for x
    x = 77,199,669,244.17/318,749.16
  6. Step 6: Final answer
    x = 242,195.68

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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.