Home / 405,655.28-608,564.04-125,162

Finding the Fourth Proportional to 405,655.28, 608,564.04 and 125,162

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Solution

The fourth proportional to 405,655.28, 608,564.04 and 125,162 is: 187,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,655.28 : 608,564.04 = 125,162 : x
  2. Step 2: Convert to fraction form
    405,655.28/608,564.04 = 125,162/x
  3. Step 3: Cross multiply
    405,655.28x = 608,564.04 × 125,162
  4. Step 4: Simplify right side
    405,655.28x = 76,169,092,374.48
  5. Step 5: Solve for x
    x = 76,169,092,374.48/405,655.28
  6. Step 6: Final answer
    x = 187,768.03

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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.