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Finding the Fourth Proportional to 360,054.18, 539,956.21 and 200,373.80

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Solution

The fourth proportional to 360,054.18, 539,956.21 and 200,373.80 is: 300,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,054.18 : 539,956.21 = 200,373.80 : x
  2. Step 2: Convert to fraction form
    360,054.18/539,956.21 = 200,373.80/x
  3. Step 3: Cross multiply
    360,054.18x = 539,956.21 × 200,373.80
  4. Step 4: Simplify right side
    360,054.18x = 108,193,075,067.30
  5. Step 5: Solve for x
    x = 108,193,075,067.30/360,054.18
  6. Step 6: Final answer
    x = 300,491.09

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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.