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Finding the Fourth Proportional to 445,914.28, 615,321.12 and 264,595

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Solution

The fourth proportional to 445,914.28, 615,321.12 and 264,595 is: 365,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,914.28 : 615,321.12 = 264,595 : x
  2. Step 2: Convert to fraction form
    445,914.28/615,321.12 = 264,595/x
  3. Step 3: Cross multiply
    445,914.28x = 615,321.12 × 264,595
  4. Step 4: Simplify right side
    445,914.28x = 162,810,891,746.40
  5. Step 5: Solve for x
    x = 162,810,891,746.40/445,914.28
  6. Step 6: Final answer
    x = 365,117.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.