Home / 377,301.31-520,714.01-216,177.73

Finding the Fourth Proportional to 377,301.31, 520,714.01 and 216,177.73

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Solution

The fourth proportional to 377,301.31, 520,714.01 and 216,177.73 is: 298,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,301.31 : 520,714.01 = 216,177.73 : x
  2. Step 2: Convert to fraction form
    377,301.31/520,714.01 = 216,177.73/x
  3. Step 3: Cross multiply
    377,301.31x = 520,714.01 × 216,177.73
  4. Step 4: Simplify right side
    377,301.31x = 112,566,772,661.00
  5. Step 5: Solve for x
    x = 112,566,772,661.00/377,301.31
  6. Step 6: Final answer
    x = 298,347.16

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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.