Home / 551,513.61-827,271.02-172,436.31

Finding the Fourth Proportional to 551,513.61, 827,271.02 and 172,436.31

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Solution

The fourth proportional to 551,513.61, 827,271.02 and 172,436.31 is: 258,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,513.61 : 827,271.02 = 172,436.31 : x
  2. Step 2: Convert to fraction form
    551,513.61/827,271.02 = 172,436.31/x
  3. Step 3: Cross multiply
    551,513.61x = 827,271.02 × 172,436.31
  4. Step 4: Simplify right side
    551,513.61x = 142,651,562,489.83
  5. Step 5: Solve for x
    x = 142,651,562,489.83/551,513.61
  6. Step 6: Final answer
    x = 258,654.65

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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.