Home / 248,420.96-374,305.28-205,019.84

Finding the Fourth Proportional to 248,420.96, 374,305.28 and 205,019.84

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Solution

The fourth proportional to 248,420.96, 374,305.28 and 205,019.84 is: 308,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,420.96 : 374,305.28 = 205,019.84 : x
  2. Step 2: Convert to fraction form
    248,420.96/374,305.28 = 205,019.84/x
  3. Step 3: Cross multiply
    248,420.96x = 374,305.28 × 205,019.84
  4. Step 4: Simplify right side
    248,420.96x = 76,740,008,616.76
  5. Step 5: Solve for x
    x = 76,740,008,616.76/248,420.96
  6. Step 6: Final answer
    x = 308,911.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.