Home / 351,036.77-484,233.89-215,136.57

Finding the Fourth Proportional to 351,036.77, 484,233.89 and 215,136.57

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Solution

The fourth proportional to 351,036.77, 484,233.89 and 215,136.57 is: 296,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,036.77 : 484,233.89 = 215,136.57 : x
  2. Step 2: Convert to fraction form
    351,036.77/484,233.89 = 215,136.57/x
  3. Step 3: Cross multiply
    351,036.77x = 484,233.89 × 215,136.57
  4. Step 4: Simplify right side
    351,036.77x = 104,176,417,096.67
  5. Step 5: Solve for x
    x = 104,176,417,096.67/351,036.77
  6. Step 6: Final answer
    x = 296,767.82

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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.