Home / 320,947.83-442,913.43-175,751.28

Finding the Fourth Proportional to 320,947.83, 442,913.43 and 175,751.28

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Solution

The fourth proportional to 320,947.83, 442,913.43 and 175,751.28 is: 242,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,947.83 : 442,913.43 = 175,751.28 : x
  2. Step 2: Convert to fraction form
    320,947.83/442,913.43 = 175,751.28/x
  3. Step 3: Cross multiply
    320,947.83x = 442,913.43 × 175,751.28
  4. Step 4: Simplify right side
    320,947.83x = 77,842,602,251.69
  5. Step 5: Solve for x
    x = 77,842,602,251.69/320,947.83
  6. Step 6: Final answer
    x = 242,539.74

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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.