Home / 405,979.65-608,969.48-125,496.45

Finding the Fourth Proportional to 405,979.65, 608,969.48 and 125,496.45

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Solution

The fourth proportional to 405,979.65, 608,969.48 and 125,496.45 is: 188,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,979.65 : 608,969.48 = 125,496.45 : x
  2. Step 2: Convert to fraction form
    405,979.65/608,969.48 = 125,496.45/x
  3. Step 3: Cross multiply
    405,979.65x = 608,969.48 × 125,496.45
  4. Step 4: Simplify right side
    405,979.65x = 76,423,507,270.86
  5. Step 5: Solve for x
    x = 76,423,507,270.86/405,979.65
  6. Step 6: Final answer
    x = 188,244.68

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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.