Home / 255,378.11-352,408.19-146,476.85

Finding the Fourth Proportional to 255,378.11, 352,408.19 and 146,476.85

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Solution

The fourth proportional to 255,378.11, 352,408.19 and 146,476.85 is: 202,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,378.11 : 352,408.19 = 146,476.85 : x
  2. Step 2: Convert to fraction form
    255,378.11/352,408.19 = 146,476.85/x
  3. Step 3: Cross multiply
    255,378.11x = 352,408.19 × 146,476.85
  4. Step 4: Simplify right side
    255,378.11x = 51,619,639,090.98
  5. Step 5: Solve for x
    x = 51,619,639,090.98/255,378.11
  6. Step 6: Final answer
    x = 202,130.25

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1.5x scale

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.