Home / 370,345.04-511,076.86-200,579.20

Finding the Fourth Proportional to 370,345.04, 511,076.86 and 200,579.20

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Solution

The fourth proportional to 370,345.04, 511,076.86 and 200,579.20 is: 276,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,345.04 : 511,076.86 = 200,579.20 : x
  2. Step 2: Convert to fraction form
    370,345.04/511,076.86 = 200,579.20/x
  3. Step 3: Cross multiply
    370,345.04x = 511,076.86 × 200,579.20
  4. Step 4: Simplify right side
    370,345.04x = 102,511,387,717.31
  5. Step 5: Solve for x
    x = 102,511,387,717.31/370,345.04
  6. Step 6: Final answer
    x = 276,799.68

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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.