Home / 370,435.36-511,196.88-209,297.92

Finding the Fourth Proportional to 370,435.36, 511,196.88 and 209,297.92

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Solution

The fourth proportional to 370,435.36, 511,196.88 and 209,297.92 is: 288,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,435.36 : 511,196.88 = 209,297.92 : x
  2. Step 2: Convert to fraction form
    370,435.36/511,196.88 = 209,297.92/x
  3. Step 3: Cross multiply
    370,435.36x = 511,196.88 × 209,297.92
  4. Step 4: Simplify right side
    370,435.36x = 106,992,443,694.49
  5. Step 5: Solve for x
    x = 106,992,443,694.49/370,435.36
  6. Step 6: Final answer
    x = 288,828.92

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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.