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Finding the Fourth Proportional to 366,315.48, 548,808.75 and 270,489.92

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Solution

The fourth proportional to 366,315.48, 548,808.75 and 270,489.92 is: 405,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,315.48 : 548,808.75 = 270,489.92 : x
  2. Step 2: Convert to fraction form
    366,315.48/548,808.75 = 270,489.92/x
  3. Step 3: Cross multiply
    366,315.48x = 548,808.75 × 270,489.92
  4. Step 4: Simplify right side
    366,315.48x = 148,447,232,138.76
  5. Step 5: Solve for x
    x = 148,447,232,138.76/366,315.48
  6. Step 6: Final answer
    x = 405,244.22

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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.