Home / 369,981.65-510,574.66-200,215.77

Finding the Fourth Proportional to 369,981.65, 510,574.66 and 200,215.77

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Solution

The fourth proportional to 369,981.65, 510,574.66 and 200,215.77 is: 276,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,981.65 : 510,574.66 = 200,215.77 : x
  2. Step 2: Convert to fraction form
    369,981.65/510,574.66 = 200,215.77/x
  3. Step 3: Cross multiply
    369,981.65x = 510,574.66 × 200,215.77
  4. Step 4: Simplify right side
    369,981.65x = 102,225,098,694.39
  5. Step 5: Solve for x
    x = 102,225,098,694.39/369,981.65
  6. Step 6: Final answer
    x = 276,297.75

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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.