Home / 255,581.82-352,705.26-140,864.58

Finding the Fourth Proportional to 255,581.82, 352,705.26 and 140,864.58

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Solution

The fourth proportional to 255,581.82, 352,705.26 and 140,864.58 is: 194,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,581.82 : 352,705.26 = 140,864.58 : x
  2. Step 2: Convert to fraction form
    255,581.82/352,705.26 = 140,864.58/x
  3. Step 3: Cross multiply
    255,581.82x = 352,705.26 × 140,864.58
  4. Step 4: Simplify right side
    255,581.82x = 49,683,678,313.69
  5. Step 5: Solve for x
    x = 49,683,678,313.69/255,581.82
  6. Step 6: Final answer
    x = 194,394.41

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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.