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Finding the Fourth Proportional to 445,638.76, 615,060.11 and 264,450.60

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Solution

The fourth proportional to 445,638.76, 615,060.11 and 264,450.60 is: 364,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,638.76 : 615,060.11 = 264,450.60 : x
  2. Step 2: Convert to fraction form
    445,638.76/615,060.11 = 264,450.60/x
  3. Step 3: Cross multiply
    445,638.76x = 615,060.11 × 264,450.60
  4. Step 4: Simplify right side
    445,638.76x = 162,653,015,125.57
  5. Step 5: Solve for x
    x = 162,653,015,125.57/445,638.76
  6. Step 6: Final answer
    x = 364,988.48

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1.5x scale

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.