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Finding the Fourth Proportional to 515,940.60, 773,983.80 and 160,917.60

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Solution

The fourth proportional to 515,940.60, 773,983.80 and 160,917.60 is: 241,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,940.60 : 773,983.80 = 160,917.60 : x
  2. Step 2: Convert to fraction form
    515,940.60/773,983.80 = 160,917.60/x
  3. Step 3: Cross multiply
    515,940.60x = 773,983.80 × 160,917.60
  4. Step 4: Simplify right side
    515,940.60x = 124,547,615,534.88
  5. Step 5: Solve for x
    x = 124,547,615,534.88/515,940.60
  6. Step 6: Final answer
    x = 241,399.14

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1.5x scale

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.