Home / 334,631.80-501,947.70-320,116.60

Finding the Fourth Proportional to 334,631.80, 501,947.70 and 320,116.60

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Solution

The fourth proportional to 334,631.80, 501,947.70 and 320,116.60 is: 480,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,631.80 : 501,947.70 = 320,116.60 : x
  2. Step 2: Convert to fraction form
    334,631.80/501,947.70 = 320,116.60/x
  3. Step 3: Cross multiply
    334,631.80x = 501,947.70 × 320,116.60
  4. Step 4: Simplify right side
    334,631.80x = 160,681,791,101.82
  5. Step 5: Solve for x
    x = 160,681,791,101.82/334,631.80
  6. Step 6: Final answer
    x = 480,174.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.