Home / 256,828.60-384,983.70-116,687.80

Finding the Fourth Proportional to 256,828.60, 384,983.70 and 116,687.80

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Solution

The fourth proportional to 256,828.60, 384,983.70 and 116,687.80 is: 174,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,828.60 : 384,983.70 = 116,687.80 : x
  2. Step 2: Convert to fraction form
    256,828.60/384,983.70 = 116,687.80/x
  3. Step 3: Cross multiply
    256,828.60x = 384,983.70 × 116,687.80
  4. Step 4: Simplify right side
    256,828.60x = 44,922,900,988.86
  5. Step 5: Solve for x
    x = 44,922,900,988.86/256,828.60
  6. Step 6: Final answer
    x = 174,913.93

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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.