Home / 258,569.82-356,840.10-151,202.70

Finding the Fourth Proportional to 258,569.82, 356,840.10 and 151,202.70

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Solution

The fourth proportional to 258,569.82, 356,840.10 and 151,202.70 is: 208,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,569.82 : 356,840.10 = 151,202.70 : x
  2. Step 2: Convert to fraction form
    258,569.82/356,840.10 = 151,202.70/x
  3. Step 3: Cross multiply
    258,569.82x = 356,840.10 × 151,202.70
  4. Step 4: Simplify right side
    258,569.82x = 53,955,186,588.27
  5. Step 5: Solve for x
    x = 53,955,186,588.27/258,569.82
  6. Step 6: Final answer
    x = 208,667.77

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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.