Home / 516,977.10-775,465.92-162,018.77

Finding the Fourth Proportional to 516,977.10, 775,465.92 and 162,018.77

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Solution

The fourth proportional to 516,977.10, 775,465.92 and 162,018.77 is: 243,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,977.10 : 775,465.92 = 162,018.77 : x
  2. Step 2: Convert to fraction form
    516,977.10/775,465.92 = 162,018.77/x
  3. Step 3: Cross multiply
    516,977.10x = 775,465.92 × 162,018.77
  4. Step 4: Simplify right side
    516,977.10x = 125,640,030,657.99
  5. Step 5: Solve for x
    x = 125,640,030,657.99/516,977.10
  6. Step 6: Final answer
    x = 243,028.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.