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Finding the Fourth Proportional to 310,080.42, 428,498.37 and 264,133.62

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Solution

The fourth proportional to 310,080.42, 428,498.37 and 264,133.62 is: 365,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,080.42 : 428,498.37 = 264,133.62 : x
  2. Step 2: Convert to fraction form
    310,080.42/428,498.37 = 264,133.62/x
  3. Step 3: Cross multiply
    310,080.42x = 428,498.37 × 264,133.62
  4. Step 4: Simplify right side
    310,080.42x = 113,180,825,632.20
  5. Step 5: Solve for x
    x = 113,180,825,632.20/310,080.42
  6. Step 6: Final answer
    x = 365,004.75

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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.