Home / 254,914.03-382,371-121,389.45

Finding the Fourth Proportional to 254,914.03, 382,371 and 121,389.45

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Solution

The fourth proportional to 254,914.03, 382,371 and 121,389.45 is: 182,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,914.03 : 382,371 = 121,389.45 : x
  2. Step 2: Convert to fraction form
    254,914.03/382,371 = 121,389.45/x
  3. Step 3: Cross multiply
    254,914.03x = 382,371 × 121,389.45
  4. Step 4: Simplify right side
    254,914.03x = 46,415,805,385.95
  5. Step 5: Solve for x
    x = 46,415,805,385.95/254,914.03
  6. Step 6: Final answer
    x = 182,084.15

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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.