Home / 320,892.89-442,815.31-175,670.84

Finding the Fourth Proportional to 320,892.89, 442,815.31 and 175,670.84

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Solution

The fourth proportional to 320,892.89, 442,815.31 and 175,670.84 is: 242,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,892.89 : 442,815.31 = 175,670.84 : x
  2. Step 2: Convert to fraction form
    320,892.89/442,815.31 = 175,670.84/x
  3. Step 3: Cross multiply
    320,892.89x = 442,815.31 × 175,670.84
  4. Step 4: Simplify right side
    320,892.89x = 77,789,738,140.42
  5. Step 5: Solve for x
    x = 77,789,738,140.42/320,892.89
  6. Step 6: Final answer
    x = 242,416.53

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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.