Home / 290,005.23-434,869.79-119,200.26

Finding the Fourth Proportional to 290,005.23, 434,869.79 and 119,200.26

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Solution

The fourth proportional to 290,005.23, 434,869.79 and 119,200.26 is: 178,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,005.23 : 434,869.79 = 119,200.26 : x
  2. Step 2: Convert to fraction form
    290,005.23/434,869.79 = 119,200.26/x
  3. Step 3: Cross multiply
    290,005.23x = 434,869.79 × 119,200.26
  4. Step 4: Simplify right side
    290,005.23x = 51,836,591,438.14
  5. Step 5: Solve for x
    x = 51,836,591,438.14/290,005.23
  6. Step 6: Final answer
    x = 178,743.64

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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.