Home / 370,504.25-511,289.17-209,355.83

Finding the Fourth Proportional to 370,504.25, 511,289.17 and 209,355.83

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Solution

The fourth proportional to 370,504.25, 511,289.17 and 209,355.83 is: 288,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,504.25 : 511,289.17 = 209,355.83 : x
  2. Step 2: Convert to fraction form
    370,504.25/511,289.17 = 209,355.83/x
  3. Step 3: Cross multiply
    370,504.25x = 511,289.17 × 209,355.83
  4. Step 4: Simplify right side
    370,504.25x = 107,041,368,555.36
  5. Step 5: Solve for x
    x = 107,041,368,555.36/370,504.25
  6. Step 6: Final answer
    x = 288,907.26

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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.