Home / 642,051.29-962,252.46-242,215.65

Finding the Fourth Proportional to 642,051.29, 962,252.46 and 242,215.65

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Solution

The fourth proportional to 642,051.29, 962,252.46 and 242,215.65 is: 363,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,051.29 : 962,252.46 = 242,215.65 : x
  2. Step 2: Convert to fraction form
    642,051.29/962,252.46 = 242,215.65/x
  3. Step 3: Cross multiply
    642,051.29x = 962,252.46 × 242,215.65
  4. Step 4: Simplify right side
    642,051.29x = 233,072,605,063.00
  5. Step 5: Solve for x
    x = 233,072,605,063.00/642,051.29
  6. Step 6: Final answer
    x = 363,012.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.