Home / 346,618.40-519,946.05-109,979.60

Finding the Fourth Proportional to 346,618.40, 519,946.05 and 109,979.60

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Solution

The fourth proportional to 346,618.40, 519,946.05 and 109,979.60 is: 164,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,618.40 : 519,946.05 = 109,979.60 : x
  2. Step 2: Convert to fraction form
    346,618.40/519,946.05 = 109,979.60/x
  3. Step 3: Cross multiply
    346,618.40x = 519,946.05 × 109,979.60
  4. Step 4: Simplify right side
    346,618.40x = 57,183,458,600.58
  5. Step 5: Solve for x
    x = 57,183,458,600.58/346,618.40
  6. Step 6: Final answer
    x = 164,975.25

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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.