Home / 320,945.55-442,911.81-175,757.50

Finding the Fourth Proportional to 320,945.55, 442,911.81 and 175,757.50

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Solution

The fourth proportional to 320,945.55, 442,911.81 and 175,757.50 is: 242,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,945.55 : 442,911.81 = 175,757.50 : x
  2. Step 2: Convert to fraction form
    320,945.55/442,911.81 = 175,757.50/x
  3. Step 3: Cross multiply
    320,945.55x = 442,911.81 × 175,757.50
  4. Step 4: Simplify right side
    320,945.55x = 77,845,072,446.08
  5. Step 5: Solve for x
    x = 77,845,072,446.08/320,945.55
  6. Step 6: Final answer
    x = 242,549.16

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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.