Home / 319,977.44-480,069.84-109,617.20

Finding the Fourth Proportional to 319,977.44, 480,069.84 and 109,617.20

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Solution

The fourth proportional to 319,977.44, 480,069.84 and 109,617.20 is: 164,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,977.44 : 480,069.84 = 109,617.20 : x
  2. Step 2: Convert to fraction form
    319,977.44/480,069.84 = 109,617.20/x
  3. Step 3: Cross multiply
    319,977.44x = 480,069.84 × 109,617.20
  4. Step 4: Simplify right side
    319,977.44x = 52,623,911,665.25
  5. Step 5: Solve for x
    x = 52,623,911,665.25/319,977.44
  6. Step 6: Final answer
    x = 164,461.32

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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.