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Finding the Fourth Proportional to 251,710.80, 376,691.40 and 230,715.60

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Solution

The fourth proportional to 251,710.80, 376,691.40 and 230,715.60 is: 345,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,710.80 : 376,691.40 = 230,715.60 : x
  2. Step 2: Convert to fraction form
    251,710.80/376,691.40 = 230,715.60/x
  3. Step 3: Cross multiply
    251,710.80x = 376,691.40 × 230,715.60
  4. Step 4: Simplify right side
    251,710.80x = 86,908,582,365.84
  5. Step 5: Solve for x
    x = 86,908,582,365.84/251,710.80
  6. Step 6: Final answer
    x = 345,271.57

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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.