Home / 286,308.20-428,900.56-233,057.48

Finding the Fourth Proportional to 286,308.20, 428,900.56 and 233,057.48

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Solution

The fourth proportional to 286,308.20, 428,900.56 and 233,057.48 is: 349,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,308.20 : 428,900.56 = 233,057.48 : x
  2. Step 2: Convert to fraction form
    286,308.20/428,900.56 = 233,057.48/x
  3. Step 3: Cross multiply
    286,308.20x = 428,900.56 × 233,057.48
  4. Step 4: Simplify right side
    286,308.20x = 99,958,483,684.19
  5. Step 5: Solve for x
    x = 99,958,483,684.19/286,308.20
  6. Step 6: Final answer
    x = 349,128.96

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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.