Home / 313,267.40-432,309.43-170,027.45

Finding the Fourth Proportional to 313,267.40, 432,309.43 and 170,027.45

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Solution

The fourth proportional to 313,267.40, 432,309.43 and 170,027.45 is: 234,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,267.40 : 432,309.43 = 170,027.45 : x
  2. Step 2: Convert to fraction form
    313,267.40/432,309.43 = 170,027.45/x
  3. Step 3: Cross multiply
    313,267.40x = 432,309.43 × 170,027.45
  4. Step 4: Simplify right side
    313,267.40x = 73,504,469,666.00
  5. Step 5: Solve for x
    x = 73,504,469,666.00/313,267.40
  6. Step 6: Final answer
    x = 234,638.11

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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.