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Finding the Fourth Proportional to 370,479.07, 511,047.92 and 223,201.63

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Solution

The fourth proportional to 370,479.07, 511,047.92 and 223,201.63 is: 307,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,479.07 : 511,047.92 = 223,201.63 : x
  2. Step 2: Convert to fraction form
    370,479.07/511,047.92 = 223,201.63/x
  3. Step 3: Cross multiply
    370,479.07x = 511,047.92 × 223,201.63
  4. Step 4: Simplify right side
    370,479.07x = 114,066,725,080.86
  5. Step 5: Solve for x
    x = 114,066,725,080.86/370,479.07
  6. Step 6: Final answer
    x = 307,889.80

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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.