Home / 318,822.48-439,957.98-175,554.54

Finding the Fourth Proportional to 318,822.48, 439,957.98 and 175,554.54

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Solution

The fourth proportional to 318,822.48, 439,957.98 and 175,554.54 is: 242,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,822.48 : 439,957.98 = 175,554.54 : x
  2. Step 2: Convert to fraction form
    318,822.48/439,957.98 = 175,554.54/x
  3. Step 3: Cross multiply
    318,822.48x = 439,957.98 × 175,554.54
  4. Step 4: Simplify right side
    318,822.48x = 77,236,620,798.23
  5. Step 5: Solve for x
    x = 77,236,620,798.23/318,822.48
  6. Step 6: Final answer
    x = 242,255.88

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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.