Home / 227,658.18-314,209.43-135,783.36

Finding the Fourth Proportional to 227,658.18, 314,209.43 and 135,783.36

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Solution

The fourth proportional to 227,658.18, 314,209.43 and 135,783.36 is: 187,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,658.18 : 314,209.43 = 135,783.36 : x
  2. Step 2: Convert to fraction form
    227,658.18/314,209.43 = 135,783.36/x
  3. Step 3: Cross multiply
    227,658.18x = 314,209.43 × 135,783.36
  4. Step 4: Simplify right side
    227,658.18x = 42,664,411,979.36
  5. Step 5: Solve for x
    x = 42,664,411,979.36/227,658.18
  6. Step 6: Final answer
    x = 187,405.57

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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.