Home / 509,266.56-763,979.08-154,196.04

Finding the Fourth Proportional to 509,266.56, 763,979.08 and 154,196.04

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Solution

The fourth proportional to 509,266.56, 763,979.08 and 154,196.04 is: 231,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,266.56 : 763,979.08 = 154,196.04 : x
  2. Step 2: Convert to fraction form
    509,266.56/763,979.08 = 154,196.04/x
  3. Step 3: Cross multiply
    509,266.56x = 763,979.08 × 154,196.04
  4. Step 4: Simplify right side
    509,266.56x = 117,802,548,778.84
  5. Step 5: Solve for x
    x = 117,802,548,778.84/509,266.56
  6. Step 6: Final answer
    x = 231,318.05

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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.