Home / 313,255.45-432,292.94-170,015.49

Finding the Fourth Proportional to 313,255.45, 432,292.94 and 170,015.49

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Solution

The fourth proportional to 313,255.45, 432,292.94 and 170,015.49 is: 234,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,255.45 : 432,292.94 = 170,015.49 : x
  2. Step 2: Convert to fraction form
    313,255.45/432,292.94 = 170,015.49/x
  3. Step 3: Cross multiply
    313,255.45x = 432,292.94 × 170,015.49
  4. Step 4: Simplify right side
    313,255.45x = 73,496,495,167.56
  5. Step 5: Solve for x
    x = 73,496,495,167.56/313,255.45
  6. Step 6: Final answer
    x = 234,621.60

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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.