Home / 313,115.12-432,069.80-177,159.35

Finding the Fourth Proportional to 313,115.12, 432,069.80 and 177,159.35

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Solution

The fourth proportional to 313,115.12, 432,069.80 and 177,159.35 is: 244,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,115.12 : 432,069.80 = 177,159.35 : x
  2. Step 2: Convert to fraction form
    313,115.12/432,069.80 = 177,159.35/x
  3. Step 3: Cross multiply
    313,115.12x = 432,069.80 × 177,159.35
  4. Step 4: Simplify right side
    313,115.12x = 76,545,205,117.01
  5. Step 5: Solve for x
    x = 76,545,205,117.01/313,115.12
  6. Step 6: Final answer
    x = 244,463.46

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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.