Home / 370,135.27-510,790.25-217,176.09

Finding the Fourth Proportional to 370,135.27, 510,790.25 and 217,176.09

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Solution

The fourth proportional to 370,135.27, 510,790.25 and 217,176.09 is: 299,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,135.27 : 510,790.25 = 217,176.09 : x
  2. Step 2: Convert to fraction form
    370,135.27/510,790.25 = 217,176.09/x
  3. Step 3: Cross multiply
    370,135.27x = 510,790.25 × 217,176.09
  4. Step 4: Simplify right side
    370,135.27x = 110,931,427,932.60
  5. Step 5: Solve for x
    x = 110,931,427,932.60/370,135.27
  6. Step 6: Final answer
    x = 299,705.10

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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.