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Finding the Fourth Proportional to 451,454.44, 623,009.46 and 260,475.88

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Solution

The fourth proportional to 451,454.44, 623,009.46 and 260,475.88 is: 359,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,454.44 : 623,009.46 = 260,475.88 : x
  2. Step 2: Convert to fraction form
    451,454.44/623,009.46 = 260,475.88/x
  3. Step 3: Cross multiply
    451,454.44x = 623,009.46 × 260,475.88
  4. Step 4: Simplify right side
    451,454.44x = 162,278,937,341.83
  5. Step 5: Solve for x
    x = 162,278,937,341.83/451,454.44
  6. Step 6: Final answer
    x = 359,458.06

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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.