Home / 370,647.18-511,488.54-200,877.66

Finding the Fourth Proportional to 370,647.18, 511,488.54 and 200,877.66

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Solution

The fourth proportional to 370,647.18, 511,488.54 and 200,877.66 is: 277,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,647.18 : 511,488.54 = 200,877.66 : x
  2. Step 2: Convert to fraction form
    370,647.18/511,488.54 = 200,877.66/x
  3. Step 3: Cross multiply
    370,647.18x = 511,488.54 × 200,877.66
  4. Step 4: Simplify right side
    370,647.18x = 102,746,621,032.02
  5. Step 5: Solve for x
    x = 102,746,621,032.02/370,647.18
  6. Step 6: Final answer
    x = 277,208.69

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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.