Home / 551,942.33-828,005.68-172,787.60

Finding the Fourth Proportional to 551,942.33, 828,005.68 and 172,787.60

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Solution

The fourth proportional to 551,942.33, 828,005.68 and 172,787.60 is: 259,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,942.33 : 828,005.68 = 172,787.60 : x
  2. Step 2: Convert to fraction form
    551,942.33/828,005.68 = 172,787.60/x
  3. Step 3: Cross multiply
    551,942.33x = 828,005.68 × 172,787.60
  4. Step 4: Simplify right side
    551,942.33x = 143,069,115,871.61
  5. Step 5: Solve for x
    x = 143,069,115,871.61/551,942.33
  6. Step 6: Final answer
    x = 259,210.26

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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.