Home / 313,669.97-432,858.32-170,431.04

Finding the Fourth Proportional to 313,669.97, 432,858.32 and 170,431.04

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Solution

The fourth proportional to 313,669.97, 432,858.32 and 170,431.04 is: 235,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,669.97 : 432,858.32 = 170,431.04 : x
  2. Step 2: Convert to fraction form
    313,669.97/432,858.32 = 170,431.04/x
  3. Step 3: Cross multiply
    313,669.97x = 432,858.32 × 170,431.04
  4. Step 4: Simplify right side
    313,669.97x = 73,772,490,633.81
  5. Step 5: Solve for x
    x = 73,772,490,633.81/313,669.97
  6. Step 6: Final answer
    x = 235,191.44

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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.