Home / 318,827.90-439,977.14-175,601.28

Finding the Fourth Proportional to 318,827.90, 439,977.14 and 175,601.28

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Solution

The fourth proportional to 318,827.90, 439,977.14 and 175,601.28 is: 242,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,827.90 : 439,977.14 = 175,601.28 : x
  2. Step 2: Convert to fraction form
    318,827.90/439,977.14 = 175,601.28/x
  3. Step 3: Cross multiply
    318,827.90x = 439,977.14 × 175,601.28
  4. Step 4: Simplify right side
    318,827.90x = 77,260,548,954.74
  5. Step 5: Solve for x
    x = 77,260,548,954.74/318,827.90
  6. Step 6: Final answer
    x = 242,326.81

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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.