Home / 309,701.36-464,440.56-107,242.64

Finding the Fourth Proportional to 309,701.36, 464,440.56 and 107,242.64

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Solution

The fourth proportional to 309,701.36, 464,440.56 and 107,242.64 is: 160,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,701.36 : 464,440.56 = 107,242.64 : x
  2. Step 2: Convert to fraction form
    309,701.36/464,440.56 = 107,242.64/x
  3. Step 3: Cross multiply
    309,701.36x = 464,440.56 × 107,242.64
  4. Step 4: Simplify right side
    309,701.36x = 49,807,831,777.48
  5. Step 5: Solve for x
    x = 49,807,831,777.48/309,701.36
  6. Step 6: Final answer
    x = 160,825.36

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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.