Home / 205,748.84-308,457.18-189,141.31

Finding the Fourth Proportional to 205,748.84, 308,457.18 and 189,141.31

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Solution

The fourth proportional to 205,748.84, 308,457.18 and 189,141.31 is: 283,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,748.84 : 308,457.18 = 189,141.31 : x
  2. Step 2: Convert to fraction form
    205,748.84/308,457.18 = 189,141.31/x
  3. Step 3: Cross multiply
    205,748.84x = 308,457.18 × 189,141.31
  4. Step 4: Simplify right side
    205,748.84x = 58,341,995,489.68
  5. Step 5: Solve for x
    x = 58,341,995,489.68/205,748.84
  6. Step 6: Final answer
    x = 283,559.29

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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.