Home / 256,616.04-384,939.78-98,844.96

Finding the Fourth Proportional to 256,616.04, 384,939.78 and 98,844.96

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Solution

The fourth proportional to 256,616.04, 384,939.78 and 98,844.96 is: 148,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,616.04 : 384,939.78 = 98,844.96 : x
  2. Step 2: Convert to fraction form
    256,616.04/384,939.78 = 98,844.96/x
  3. Step 3: Cross multiply
    256,616.04x = 384,939.78 × 98,844.96
  4. Step 4: Simplify right side
    256,616.04x = 38,049,357,156.51
  5. Step 5: Solve for x
    x = 38,049,357,156.51/256,616.04
  6. Step 6: Final answer
    x = 148,273.50

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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.