Home / 313,276.28-432,321.75-170,036.39

Finding the Fourth Proportional to 313,276.28, 432,321.75 and 170,036.39

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Solution

The fourth proportional to 313,276.28, 432,321.75 and 170,036.39 is: 234,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,276.28 : 432,321.75 = 170,036.39 : x
  2. Step 2: Convert to fraction form
    313,276.28/432,321.75 = 170,036.39/x
  3. Step 3: Cross multiply
    313,276.28x = 432,321.75 × 170,036.39
  4. Step 4: Simplify right side
    313,276.28x = 73,510,427,526.87
  5. Step 5: Solve for x
    x = 73,510,427,526.87/313,276.28
  6. Step 6: Final answer
    x = 234,650.48

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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.