Home / 260,349.35-390,447.47-110,588.45

Finding the Fourth Proportional to 260,349.35, 390,447.47 and 110,588.45

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Solution

The fourth proportional to 260,349.35, 390,447.47 and 110,588.45 is: 165,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,349.35 : 390,447.47 = 110,588.45 : x
  2. Step 2: Convert to fraction form
    260,349.35/390,447.47 = 110,588.45/x
  3. Step 3: Cross multiply
    260,349.35x = 390,447.47 × 110,588.45
  4. Step 4: Simplify right side
    260,349.35x = 43,178,978,008.54
  5. Step 5: Solve for x
    x = 43,178,978,008.54/260,349.35
  6. Step 6: Final answer
    x = 165,850.15

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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.