Home / 318,823.75-439,976.82-175,583.53

Finding the Fourth Proportional to 318,823.75, 439,976.82 and 175,583.53

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Solution

The fourth proportional to 318,823.75, 439,976.82 and 175,583.53 is: 242,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,823.75 : 439,976.82 = 175,583.53 : x
  2. Step 2: Convert to fraction form
    318,823.75/439,976.82 = 175,583.53/x
  3. Step 3: Cross multiply
    318,823.75x = 439,976.82 × 175,583.53
  4. Step 4: Simplify right side
    318,823.75x = 77,252,683,173.77
  5. Step 5: Solve for x
    x = 77,252,683,173.77/318,823.75
  6. Step 6: Final answer
    x = 242,305.30

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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.