Home / 370,851.03-511,784.52-209,730.18

Finding the Fourth Proportional to 370,851.03, 511,784.52 and 209,730.18

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Solution

The fourth proportional to 370,851.03, 511,784.52 and 209,730.18 is: 289,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,851.03 : 511,784.52 = 209,730.18 : x
  2. Step 2: Convert to fraction form
    370,851.03/511,784.52 = 209,730.18/x
  3. Step 3: Cross multiply
    370,851.03x = 511,784.52 × 209,730.18
  4. Step 4: Simplify right side
    370,851.03x = 107,336,659,500.81
  5. Step 5: Solve for x
    x = 107,336,659,500.81/370,851.03
  6. Step 6: Final answer
    x = 289,433.36

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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.