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Finding the Fourth Proportional to 360,309.51, 540,540.81 and 107,609.76

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Solution

The fourth proportional to 360,309.51, 540,540.81 and 107,609.76 is: 161,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,309.51 : 540,540.81 = 107,609.76 : x
  2. Step 2: Convert to fraction form
    360,309.51/540,540.81 = 107,609.76/x
  3. Step 3: Cross multiply
    360,309.51x = 540,540.81 × 107,609.76
  4. Step 4: Simplify right side
    360,309.51x = 58,167,466,834.31
  5. Step 5: Solve for x
    x = 58,167,466,834.31/360,309.51
  6. Step 6: Final answer
    x = 161,437.50

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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.