Home / 289,554.03-434,182.94-121,028.36

Finding the Fourth Proportional to 289,554.03, 434,182.94 and 121,028.36

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Solution

The fourth proportional to 289,554.03, 434,182.94 and 121,028.36 is: 181,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,554.03 : 434,182.94 = 121,028.36 : x
  2. Step 2: Convert to fraction form
    289,554.03/434,182.94 = 121,028.36/x
  3. Step 3: Cross multiply
    289,554.03x = 434,182.94 × 121,028.36
  4. Step 4: Simplify right side
    289,554.03x = 52,548,446,392.12
  5. Step 5: Solve for x
    x = 52,548,446,392.12/289,554.03
  6. Step 6: Final answer
    x = 181,480.63

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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.