Home / 206,026.02-308,623.50-172,652.40

Finding the Fourth Proportional to 206,026.02, 308,623.50 and 172,652.40

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Solution

The fourth proportional to 206,026.02, 308,623.50 and 172,652.40 is: 258,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,026.02 : 308,623.50 = 172,652.40 : x
  2. Step 2: Convert to fraction form
    206,026.02/308,623.50 = 172,652.40/x
  3. Step 3: Cross multiply
    206,026.02x = 308,623.50 × 172,652.40
  4. Step 4: Simplify right side
    206,026.02x = 53,284,587,971.40
  5. Step 5: Solve for x
    x = 53,284,587,971.40/206,026.02
  6. Step 6: Final answer
    x = 258,630.38

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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.