Home / 215,477.08-297,367.14-119,977.72

Finding the Fourth Proportional to 215,477.08, 297,367.14 and 119,977.72

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Solution

The fourth proportional to 215,477.08, 297,367.14 and 119,977.72 is: 165,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,477.08 : 297,367.14 = 119,977.72 : x
  2. Step 2: Convert to fraction form
    215,477.08/297,367.14 = 119,977.72/x
  3. Step 3: Cross multiply
    215,477.08x = 297,367.14 × 119,977.72
  4. Step 4: Simplify right side
    215,477.08x = 35,677,431,460.12
  5. Step 5: Solve for x
    x = 35,677,431,460.12/215,477.08
  6. Step 6: Final answer
    x = 165,574.14

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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.