Home / 346,112.28-519,164.96-109,455

Finding the Fourth Proportional to 346,112.28, 519,164.96 and 109,455

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Solution

The fourth proportional to 346,112.28, 519,164.96 and 109,455 is: 164,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,112.28 : 519,164.96 = 109,455 : x
  2. Step 2: Convert to fraction form
    346,112.28/519,164.96 = 109,455/x
  3. Step 3: Cross multiply
    346,112.28x = 519,164.96 × 109,455
  4. Step 4: Simplify right side
    346,112.28x = 56,825,200,696.80
  5. Step 5: Solve for x
    x = 56,825,200,696.80/346,112.28
  6. Step 6: Final answer
    x = 164,181.41

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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.