Home / 346,918.53-478,827.59-225,849

Finding the Fourth Proportional to 346,918.53, 478,827.59 and 225,849

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Solution

The fourth proportional to 346,918.53, 478,827.59 and 225,849 is: 311,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,918.53 : 478,827.59 = 225,849 : x
  2. Step 2: Convert to fraction form
    346,918.53/478,827.59 = 225,849/x
  3. Step 3: Cross multiply
    346,918.53x = 478,827.59 × 225,849
  4. Step 4: Simplify right side
    346,918.53x = 108,142,731,244.67
  5. Step 5: Solve for x
    x = 108,142,731,244.67/346,918.53
  6. Step 6: Final answer
    x = 311,723.71

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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.