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Finding the Fourth Proportional to 304,091.60, 456,094.20 and 93,750.80

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Solution

The fourth proportional to 304,091.60, 456,094.20 and 93,750.80 is: 140,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,091.60 : 456,094.20 = 93,750.80 : x
  2. Step 2: Convert to fraction form
    304,091.60/456,094.20 = 93,750.80/x
  3. Step 3: Cross multiply
    304,091.60x = 456,094.20 × 93,750.80
  4. Step 4: Simplify right side
    304,091.60x = 42,759,196,125.36
  5. Step 5: Solve for x
    x = 42,759,196,125.36/304,091.60
  6. Step 6: Final answer
    x = 140,612.88

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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.