Home / 313,360.20-432,442.10-170,120.13

Finding the Fourth Proportional to 313,360.20, 432,442.10 and 170,120.13

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Solution

The fourth proportional to 313,360.20, 432,442.10 and 170,120.13 is: 234,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,360.20 : 432,442.10 = 170,120.13 : x
  2. Step 2: Convert to fraction form
    313,360.20/432,442.10 = 170,120.13/x
  3. Step 3: Cross multiply
    313,360.20x = 432,442.10 × 170,120.13
  4. Step 4: Simplify right side
    313,360.20x = 73,567,103,256.66
  5. Step 5: Solve for x
    x = 73,567,103,256.66/313,360.20
  6. Step 6: Final answer
    x = 234,768.50

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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.