Home / 272,918.97-409,457.63-112,965.44

Finding the Fourth Proportional to 272,918.97, 409,457.63 and 112,965.44

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Solution

The fourth proportional to 272,918.97, 409,457.63 and 112,965.44 is: 169,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,918.97 : 409,457.63 = 112,965.44 : x
  2. Step 2: Convert to fraction form
    272,918.97/409,457.63 = 112,965.44/x
  3. Step 3: Cross multiply
    272,918.97x = 409,457.63 × 112,965.44
  4. Step 4: Simplify right side
    272,918.97x = 46,254,559,569.43
  5. Step 5: Solve for x
    x = 46,254,559,569.43/272,918.97
  6. Step 6: Final answer
    x = 169,480.93

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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.