Home / 405,982.40-608,973.60-106,462.40

Finding the Fourth Proportional to 405,982.40, 608,973.60 and 106,462.40

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Solution

The fourth proportional to 405,982.40, 608,973.60 and 106,462.40 is: 159,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,982.40 : 608,973.60 = 106,462.40 : x
  2. Step 2: Convert to fraction form
    405,982.40/608,973.60 = 106,462.40/x
  3. Step 3: Cross multiply
    405,982.40x = 608,973.60 × 106,462.40
  4. Step 4: Simplify right side
    405,982.40x = 64,832,790,992.64
  5. Step 5: Solve for x
    x = 64,832,790,992.64/405,982.40
  6. Step 6: Final answer
    x = 159,693.60

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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.