Home / 313,748.70-432,976.58-170,508.77

Finding the Fourth Proportional to 313,748.70, 432,976.58 and 170,508.77

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Solution

The fourth proportional to 313,748.70, 432,976.58 and 170,508.77 is: 235,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,748.70 : 432,976.58 = 170,508.77 : x
  2. Step 2: Convert to fraction form
    313,748.70/432,976.58 = 170,508.77/x
  3. Step 3: Cross multiply
    313,748.70x = 432,976.58 × 170,508.77
  4. Step 4: Simplify right side
    313,748.70x = 73,826,304,094.61
  5. Step 5: Solve for x
    x = 73,826,304,094.61/313,748.70
  6. Step 6: Final answer
    x = 235,303.94

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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.