Home / 236,999.70-355,499.55-148,426.20

Finding the Fourth Proportional to 236,999.70, 355,499.55 and 148,426.20

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Solution

The fourth proportional to 236,999.70, 355,499.55 and 148,426.20 is: 222,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,999.70 : 355,499.55 = 148,426.20 : x
  2. Step 2: Convert to fraction form
    236,999.70/355,499.55 = 148,426.20/x
  3. Step 3: Cross multiply
    236,999.70x = 355,499.55 × 148,426.20
  4. Step 4: Simplify right side
    236,999.70x = 52,765,447,308.21
  5. Step 5: Solve for x
    x = 52,765,447,308.21/236,999.70
  6. Step 6: Final answer
    x = 222,639.30

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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.