Home / 279,339.04-385,529.38-164,581

Finding the Fourth Proportional to 279,339.04, 385,529.38 and 164,581

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Solution

The fourth proportional to 279,339.04, 385,529.38 and 164,581 is: 227,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,339.04 : 385,529.38 = 164,581 : x
  2. Step 2: Convert to fraction form
    279,339.04/385,529.38 = 164,581/x
  3. Step 3: Cross multiply
    279,339.04x = 385,529.38 × 164,581
  4. Step 4: Simplify right side
    279,339.04x = 63,450,810,889.78
  5. Step 5: Solve for x
    x = 63,450,810,889.78/279,339.04
  6. Step 6: Final answer
    x = 227,146.23

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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.