Home / 248,070.72-371,810.83-172,783.24

Finding the Fourth Proportional to 248,070.72, 371,810.83 and 172,783.24

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Solution

The fourth proportional to 248,070.72, 371,810.83 and 172,783.24 is: 258,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,070.72 : 371,810.83 = 172,783.24 : x
  2. Step 2: Convert to fraction form
    248,070.72/371,810.83 = 172,783.24/x
  3. Step 3: Cross multiply
    248,070.72x = 371,810.83 × 172,783.24
  4. Step 4: Simplify right side
    248,070.72x = 64,242,679,874.49
  5. Step 5: Solve for x
    x = 64,242,679,874.49/248,070.72
  6. Step 6: Final answer
    x = 258,969.22

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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.