Home / 240,430.60-360,301.65-135,028.54

Finding the Fourth Proportional to 240,430.60, 360,301.65 and 135,028.54

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Solution

The fourth proportional to 240,430.60, 360,301.65 and 135,028.54 is: 202,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,430.60 : 360,301.65 = 135,028.54 : x
  2. Step 2: Convert to fraction form
    240,430.60/360,301.65 = 135,028.54/x
  3. Step 3: Cross multiply
    240,430.60x = 360,301.65 × 135,028.54
  4. Step 4: Simplify right side
    240,430.60x = 48,651,005,759.09
  5. Step 5: Solve for x
    x = 48,651,005,759.09/240,430.60
  6. Step 6: Final answer
    x = 202,349.48

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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.