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Finding the Fourth Proportional to 360,022.40, 539,774.40 and 202,299.20

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Solution

The fourth proportional to 360,022.40, 539,774.40 and 202,299.20 is: 303,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,022.40 : 539,774.40 = 202,299.20 : x
  2. Step 2: Convert to fraction form
    360,022.40/539,774.40 = 202,299.20/x
  3. Step 3: Cross multiply
    360,022.40x = 539,774.40 × 202,299.20
  4. Step 4: Simplify right side
    360,022.40x = 109,195,929,300.48
  5. Step 5: Solve for x
    x = 109,195,929,300.48/360,022.40
  6. Step 6: Final answer
    x = 303,303.15

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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.