Home / 274,827.21-411,631.78-211,178.82

Finding the Fourth Proportional to 274,827.21, 411,631.78 and 211,178.82

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Solution

The fourth proportional to 274,827.21, 411,631.78 and 211,178.82 is: 316,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,827.21 : 411,631.78 = 211,178.82 : x
  2. Step 2: Convert to fraction form
    274,827.21/411,631.78 = 211,178.82/x
  3. Step 3: Cross multiply
    274,827.21x = 411,631.78 × 211,178.82
  4. Step 4: Simplify right side
    274,827.21x = 86,927,913,574.90
  5. Step 5: Solve for x
    x = 86,927,913,574.90/274,827.21
  6. Step 6: Final answer
    x = 316,300.24

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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.