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Finding the Fourth Proportional to 363,150.40, 545,071.20 and 310,619.20

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Solution

The fourth proportional to 363,150.40, 545,071.20 and 310,619.20 is: 466,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,150.40 : 545,071.20 = 310,619.20 : x
  2. Step 2: Convert to fraction form
    363,150.40/545,071.20 = 310,619.20/x
  3. Step 3: Cross multiply
    363,150.40x = 545,071.20 × 310,619.20
  4. Step 4: Simplify right side
    363,150.40x = 169,309,580,087.04
  5. Step 5: Solve for x
    x = 169,309,580,087.04/363,150.40
  6. Step 6: Final answer
    x = 466,224.41

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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.