Home / 491,818.95-738,056.48-225,442.35

Finding the Fourth Proportional to 491,818.95, 738,056.48 and 225,442.35

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Solution

The fourth proportional to 491,818.95, 738,056.48 and 225,442.35 is: 338,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,818.95 : 738,056.48 = 225,442.35 : x
  2. Step 2: Convert to fraction form
    491,818.95/738,056.48 = 225,442.35/x
  3. Step 3: Cross multiply
    491,818.95x = 738,056.48 × 225,442.35
  4. Step 4: Simplify right side
    491,818.95x = 166,389,186,156.72
  5. Step 5: Solve for x
    x = 166,389,186,156.72/491,818.95
  6. Step 6: Final answer
    x = 338,313.90

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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.