Home / 346,579.06-478,079.56-208,662.10

Finding the Fourth Proportional to 346,579.06, 478,079.56 and 208,662.10

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Solution

The fourth proportional to 346,579.06, 478,079.56 and 208,662.10 is: 287,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,579.06 : 478,079.56 = 208,662.10 : x
  2. Step 2: Convert to fraction form
    346,579.06/478,079.56 = 208,662.10/x
  3. Step 3: Cross multiply
    346,579.06x = 478,079.56 × 208,662.10
  4. Step 4: Simplify right side
    346,579.06x = 99,757,084,956.68
  5. Step 5: Solve for x
    x = 99,757,084,956.68/346,579.06
  6. Step 6: Final answer
    x = 287,833.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.