Home / 420,006.06-579,606.03-229,015.35

Finding the Fourth Proportional to 420,006.06, 579,606.03 and 229,015.35

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Solution

The fourth proportional to 420,006.06, 579,606.03 and 229,015.35 is: 316,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,006.06 : 579,606.03 = 229,015.35 : x
  2. Step 2: Convert to fraction form
    420,006.06/579,606.03 = 229,015.35/x
  3. Step 3: Cross multiply
    420,006.06x = 579,606.03 × 229,015.35
  4. Step 4: Simplify right side
    420,006.06x = 132,738,677,822.56
  5. Step 5: Solve for x
    x = 132,738,677,822.56/420,006.06
  6. Step 6: Final answer
    x = 316,039.91

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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.