Home / 293,612.21-405,165.67-172,730.14

Finding the Fourth Proportional to 293,612.21, 405,165.67 and 172,730.14

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Solution

The fourth proportional to 293,612.21, 405,165.67 and 172,730.14 is: 238,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,612.21 : 405,165.67 = 172,730.14 : x
  2. Step 2: Convert to fraction form
    293,612.21/405,165.67 = 172,730.14/x
  3. Step 3: Cross multiply
    293,612.21x = 405,165.67 × 172,730.14
  4. Step 4: Simplify right side
    293,612.21x = 69,984,324,079.97
  5. Step 5: Solve for x
    x = 69,984,324,079.97/293,612.21
  6. Step 6: Final answer
    x = 238,356.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.