Home / 290,232.46-435,383.31-140,365.06

Finding the Fourth Proportional to 290,232.46, 435,383.31 and 140,365.06

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Solution

The fourth proportional to 290,232.46, 435,383.31 and 140,365.06 is: 210,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,232.46 : 435,383.31 = 140,365.06 : x
  2. Step 2: Convert to fraction form
    290,232.46/435,383.31 = 140,365.06/x
  3. Step 3: Cross multiply
    290,232.46x = 435,383.31 × 140,365.06
  4. Step 4: Simplify right side
    290,232.46x = 61,112,603,882.45
  5. Step 5: Solve for x
    x = 61,112,603,882.45/290,232.46
  6. Step 6: Final answer
    x = 210,564.33

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1.5x scale

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.