Home / 289,001.73-398,558.93-248,153.09

Finding the Fourth Proportional to 289,001.73, 398,558.93 and 248,153.09

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Solution

The fourth proportional to 289,001.73, 398,558.93 and 248,153.09 is: 342,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,001.73 : 398,558.93 = 248,153.09 : x
  2. Step 2: Convert to fraction form
    289,001.73/398,558.93 = 248,153.09/x
  3. Step 3: Cross multiply
    289,001.73x = 398,558.93 × 248,153.09
  4. Step 4: Simplify right side
    289,001.73x = 98,903,628,287.63
  5. Step 5: Solve for x
    x = 98,903,628,287.63/289,001.73
  6. Step 6: Final answer
    x = 342,225.04

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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.