Home / 318,845.46-439,986.55-175,605.50

Finding the Fourth Proportional to 318,845.46, 439,986.55 and 175,605.50

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Solution

The fourth proportional to 318,845.46, 439,986.55 and 175,605.50 is: 242,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,845.46 : 439,986.55 = 175,605.50 : x
  2. Step 2: Convert to fraction form
    318,845.46/439,986.55 = 175,605.50/x
  3. Step 3: Cross multiply
    318,845.46x = 439,986.55 × 175,605.50
  4. Step 4: Simplify right side
    318,845.46x = 77,264,059,096.24
  5. Step 5: Solve for x
    x = 77,264,059,096.24/318,845.46
  6. Step 6: Final answer
    x = 242,324.47

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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.