Home / 320,971.55-442,947.69-175,783.50

Finding the Fourth Proportional to 320,971.55, 442,947.69 and 175,783.50

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Solution

The fourth proportional to 320,971.55, 442,947.69 and 175,783.50 is: 242,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,971.55 : 442,947.69 = 175,783.50 : x
  2. Step 2: Convert to fraction form
    320,971.55/442,947.69 = 175,783.50/x
  3. Step 3: Cross multiply
    320,971.55x = 442,947.69 × 175,783.50
  4. Step 4: Simplify right side
    320,971.55x = 77,862,895,265.12
  5. Step 5: Solve for x
    x = 77,862,895,265.12/320,971.55
  6. Step 6: Final answer
    x = 242,585.04

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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.