Home / 313,384.43-432,471.18-170,141.40

Finding the Fourth Proportional to 313,384.43, 432,471.18 and 170,141.40

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Solution

The fourth proportional to 313,384.43, 432,471.18 and 170,141.40 is: 234,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,384.43 : 432,471.18 = 170,141.40 : x
  2. Step 2: Convert to fraction form
    313,384.43/432,471.18 = 170,141.40/x
  3. Step 3: Cross multiply
    313,384.43x = 432,471.18 × 170,141.40
  4. Step 4: Simplify right side
    313,384.43x = 73,581,252,024.85
  5. Step 5: Solve for x
    x = 73,581,252,024.85/313,384.43
  6. Step 6: Final answer
    x = 234,795.50

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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.