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Finding the Fourth Proportional to 360,010.38, 540,091.95 and 123,289.50

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Solution

The fourth proportional to 360,010.38, 540,091.95 and 123,289.50 is: 184,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,010.38 : 540,091.95 = 123,289.50 : x
  2. Step 2: Convert to fraction form
    360,010.38/540,091.95 = 123,289.50/x
  3. Step 3: Cross multiply
    360,010.38x = 540,091.95 × 123,289.50
  4. Step 4: Simplify right side
    360,010.38x = 66,587,666,469.53
  5. Step 5: Solve for x
    x = 66,587,666,469.53/360,010.38
  6. Step 6: Final answer
    x = 184,960.41

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1.5x scale

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.