Home / 318,437.06-439,436.91-175,199.50

Finding the Fourth Proportional to 318,437.06, 439,436.91 and 175,199.50

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Solution

The fourth proportional to 318,437.06, 439,436.91 and 175,199.50 is: 241,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,437.06 : 439,436.91 = 175,199.50 : x
  2. Step 2: Convert to fraction form
    318,437.06/439,436.91 = 175,199.50/x
  3. Step 3: Cross multiply
    318,437.06x = 439,436.91 × 175,199.50
  4. Step 4: Simplify right side
    318,437.06x = 76,989,126,913.55
  5. Step 5: Solve for x
    x = 76,989,126,913.55/318,437.06
  6. Step 6: Final answer
    x = 241,771.88

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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.