Home / 248,918.05-343,406.55-144,073.02

Finding the Fourth Proportional to 248,918.05, 343,406.55 and 144,073.02

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Solution

The fourth proportional to 248,918.05, 343,406.55 and 144,073.02 is: 198,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,918.05 : 343,406.55 = 144,073.02 : x
  2. Step 2: Convert to fraction form
    248,918.05/343,406.55 = 144,073.02/x
  3. Step 3: Cross multiply
    248,918.05x = 343,406.55 × 144,073.02
  4. Step 4: Simplify right side
    248,918.05x = 49,475,618,746.28
  5. Step 5: Solve for x
    x = 49,475,618,746.28/248,918.05
  6. Step 6: Final answer
    x = 198,762.68

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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.