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Finding the Fourth Proportional to 360,273.11, 540,400.37 and 117,112.86

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Solution

The fourth proportional to 360,273.11, 540,400.37 and 117,112.86 is: 175,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,273.11 : 540,400.37 = 117,112.86 : x
  2. Step 2: Convert to fraction form
    360,273.11/540,400.37 = 117,112.86/x
  3. Step 3: Cross multiply
    360,273.11x = 540,400.37 × 117,112.86
  4. Step 4: Simplify right side
    360,273.11x = 63,287,832,290.19
  5. Step 5: Solve for x
    x = 63,287,832,290.19/360,273.11
  6. Step 6: Final answer
    x = 175,666.27

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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.