Home / 209,544.51-289,177.59-148,400.09

Finding the Fourth Proportional to 209,544.51, 289,177.59 and 148,400.09

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Solution

The fourth proportional to 209,544.51, 289,177.59 and 148,400.09 is: 204,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,544.51 : 289,177.59 = 148,400.09 : x
  2. Step 2: Convert to fraction form
    209,544.51/289,177.59 = 148,400.09/x
  3. Step 3: Cross multiply
    209,544.51x = 289,177.59 × 148,400.09
  4. Step 4: Simplify right side
    209,544.51x = 42,913,980,020.51
  5. Step 5: Solve for x
    x = 42,913,980,020.51/209,544.51
  6. Step 6: Final answer
    x = 204,796.49

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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.