Home / 315,370.40-473,131.20-105,010.24

Finding the Fourth Proportional to 315,370.40, 473,131.20 and 105,010.24

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Solution

The fourth proportional to 315,370.40, 473,131.20 and 105,010.24 is: 157,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,370.40 : 473,131.20 = 105,010.24 : x
  2. Step 2: Convert to fraction form
    315,370.40/473,131.20 = 105,010.24/x
  3. Step 3: Cross multiply
    315,370.40x = 473,131.20 × 105,010.24
  4. Step 4: Simplify right side
    315,370.40x = 49,683,620,863.49
  5. Step 5: Solve for x
    x = 49,683,620,863.49/315,370.40
  6. Step 6: Final answer
    x = 157,540.53

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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.