Home / 370,766.36-511,582.13-217,829.45

Finding the Fourth Proportional to 370,766.36, 511,582.13 and 217,829.45

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Solution

The fourth proportional to 370,766.36, 511,582.13 and 217,829.45 is: 300,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,766.36 : 511,582.13 = 217,829.45 : x
  2. Step 2: Convert to fraction form
    370,766.36/511,582.13 = 217,829.45/x
  3. Step 3: Cross multiply
    370,766.36x = 511,582.13 × 217,829.45
  4. Step 4: Simplify right side
    370,766.36x = 111,437,655,014.40
  5. Step 5: Solve for x
    x = 111,437,655,014.40/370,766.36
  6. Step 6: Final answer
    x = 300,560.32

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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.