Home / 377,652.24-521,144.55-216,395.01

Finding the Fourth Proportional to 377,652.24, 521,144.55 and 216,395.01

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Solution

The fourth proportional to 377,652.24, 521,144.55 and 216,395.01 is: 298,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,652.24 : 521,144.55 = 216,395.01 : x
  2. Step 2: Convert to fraction form
    377,652.24/521,144.55 = 216,395.01/x
  3. Step 3: Cross multiply
    377,652.24x = 521,144.55 × 216,395.01
  4. Step 4: Simplify right side
    377,652.24x = 112,773,080,108.70
  5. Step 5: Solve for x
    x = 112,773,080,108.70/377,652.24
  6. Step 6: Final answer
    x = 298,616.21

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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.