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Finding the Fourth Proportional to 552,383.12, 828,574.74 and 173,362.34

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Solution

The fourth proportional to 552,383.12, 828,574.74 and 173,362.34 is: 260,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,383.12 : 828,574.74 = 173,362.34 : x
  2. Step 2: Convert to fraction form
    552,383.12/828,574.74 = 173,362.34/x
  3. Step 3: Cross multiply
    552,383.12x = 828,574.74 × 173,362.34
  4. Step 4: Simplify right side
    552,383.12x = 143,643,651,648.42
  5. Step 5: Solve for x
    x = 143,643,651,648.42/552,383.12
  6. Step 6: Final answer
    x = 260,043.52

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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.