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Finding the Fourth Proportional to 369,450.65, 554,172.71 and 116,731.13

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Solution

The fourth proportional to 369,450.65, 554,172.71 and 116,731.13 is: 175,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,450.65 : 554,172.71 = 116,731.13 : x
  2. Step 2: Convert to fraction form
    369,450.65/554,172.71 = 116,731.13/x
  3. Step 3: Cross multiply
    369,450.65x = 554,172.71 × 116,731.13
  4. Step 4: Simplify right side
    369,450.65x = 64,689,203,298.94
  5. Step 5: Solve for x
    x = 64,689,203,298.94/369,450.65
  6. Step 6: Final answer
    x = 175,095.65

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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.