Home / 313,659.25-432,853.70-170,421.69

Finding the Fourth Proportional to 313,659.25, 432,853.70 and 170,421.69

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Solution

The fourth proportional to 313,659.25, 432,853.70 and 170,421.69 is: 235,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,659.25 : 432,853.70 = 170,421.69 : x
  2. Step 2: Convert to fraction form
    313,659.25/432,853.70 = 170,421.69/x
  3. Step 3: Cross multiply
    313,659.25x = 432,853.70 × 170,421.69
  4. Step 4: Simplify right side
    313,659.25x = 73,767,659,076.75
  5. Step 5: Solve for x
    x = 73,767,659,076.75/313,659.25
  6. Step 6: Final answer
    x = 235,184.07

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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.