Home / 347,837.38-521,730.55-111,116.50

Finding the Fourth Proportional to 347,837.38, 521,730.55 and 111,116.50

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Solution

The fourth proportional to 347,837.38, 521,730.55 and 111,116.50 is: 166,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,837.38 : 521,730.55 = 111,116.50 : x
  2. Step 2: Convert to fraction form
    347,837.38/521,730.55 = 111,116.50/x
  3. Step 3: Cross multiply
    347,837.38x = 521,730.55 × 111,116.50
  4. Step 4: Simplify right side
    347,837.38x = 57,972,872,659.08
  5. Step 5: Solve for x
    x = 57,972,872,659.08/347,837.38
  6. Step 6: Final answer
    x = 166,666.60

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