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Finding the Fourth Proportional to 304,128.92, 456,164.16 and 93,710.36

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Solution

The fourth proportional to 304,128.92, 456,164.16 and 93,710.36 is: 140,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128.92 : 456,164.16 = 93,710.36 : x
  2. Step 2: Convert to fraction form
    304,128.92/456,164.16 = 93,710.36/x
  3. Step 3: Cross multiply
    304,128.92x = 456,164.16 × 93,710.36
  4. Step 4: Simplify right side
    304,128.92x = 42,747,307,652.70
  5. Step 5: Solve for x
    x = 42,747,307,652.70/304,128.92
  6. Step 6: Final answer
    x = 140,556.54

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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.