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Finding the Fourth Proportional to 552,561.82, 828,842.76 and 153,202.60

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Solution

The fourth proportional to 552,561.82, 828,842.76 and 153,202.60 is: 229,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,561.82 : 828,842.76 = 153,202.60 : x
  2. Step 2: Convert to fraction form
    552,561.82/828,842.76 = 153,202.60/x
  3. Step 3: Cross multiply
    552,561.82x = 828,842.76 × 153,202.60
  4. Step 4: Simplify right side
    552,561.82x = 126,980,863,751.07
  5. Step 5: Solve for x
    x = 126,980,863,751.07/552,561.82
  6. Step 6: Final answer
    x = 229,803.91

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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.