Home / 369,213.26-553,819.75-88,730.51

Finding the Fourth Proportional to 369,213.26, 553,819.75 and 88,730.51

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Solution

The fourth proportional to 369,213.26, 553,819.75 and 88,730.51 is: 133,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,213.26 : 553,819.75 = 88,730.51 : x
  2. Step 2: Convert to fraction form
    369,213.26/553,819.75 = 88,730.51/x
  3. Step 3: Cross multiply
    369,213.26x = 553,819.75 × 88,730.51
  4. Step 4: Simplify right side
    369,213.26x = 49,140,705,874.65
  5. Step 5: Solve for x
    x = 49,140,705,874.65/369,213.26
  6. Step 6: Final answer
    x = 133,095.73

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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.