Home / 445,835.20-615,133.56-264,396.28

Finding the Fourth Proportional to 445,835.20, 615,133.56 and 264,396.28

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Solution

The fourth proportional to 445,835.20, 615,133.56 and 264,396.28 is: 364,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,835.20 : 615,133.56 = 264,396.28 : x
  2. Step 2: Convert to fraction form
    445,835.20/615,133.56 = 264,396.28/x
  3. Step 3: Cross multiply
    445,835.20x = 615,133.56 × 264,396.28
  4. Step 4: Simplify right side
    445,835.20x = 162,639,024,967.16
  5. Step 5: Solve for x
    x = 162,639,024,967.16/445,835.20
  6. Step 6: Final answer
    x = 364,796.29

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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.