Home / 413,091.60-619,637.40-308,115.60

Finding the Fourth Proportional to 413,091.60, 619,637.40 and 308,115.60

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Solution

The fourth proportional to 413,091.60, 619,637.40 and 308,115.60 is: 462,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,091.60 : 619,637.40 = 308,115.60 : x
  2. Step 2: Convert to fraction form
    413,091.60/619,637.40 = 308,115.60/x
  3. Step 3: Cross multiply
    413,091.60x = 619,637.40 × 308,115.60
  4. Step 4: Simplify right side
    413,091.60x = 190,919,949,283.44
  5. Step 5: Solve for x
    x = 190,919,949,283.44/413,091.60
  6. Step 6: Final answer
    x = 462,173.40

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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.