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Finding the Fourth Proportional to 360,340.28, 540,503.58 and 107,621.49

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Solution

The fourth proportional to 360,340.28, 540,503.58 and 107,621.49 is: 161,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,340.28 : 540,503.58 = 107,621.49 : x
  2. Step 2: Convert to fraction form
    360,340.28/540,503.58 = 107,621.49/x
  3. Step 3: Cross multiply
    360,340.28x = 540,503.58 × 107,621.49
  4. Step 4: Simplify right side
    360,340.28x = 58,169,800,629.93
  5. Step 5: Solve for x
    x = 58,169,800,629.93/360,340.28
  6. Step 6: Final answer
    x = 161,430.19

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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.