Home / 243,180.63-364,832.10-172,242.18

Finding the Fourth Proportional to 243,180.63, 364,832.10 and 172,242.18

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Solution

The fourth proportional to 243,180.63, 364,832.10 and 172,242.18 is: 258,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,180.63 : 364,832.10 = 172,242.18 : x
  2. Step 2: Convert to fraction form
    243,180.63/364,832.10 = 172,242.18/x
  3. Step 3: Cross multiply
    243,180.63x = 364,832.10 × 172,242.18
  4. Step 4: Simplify right side
    243,180.63x = 62,839,476,237.98
  5. Step 5: Solve for x
    x = 62,839,476,237.98/243,180.63
  6. Step 6: Final answer
    x = 258,406.59

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1.5x scale

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.