Home / 254,812.10-382,218.21-74,897.55

Finding the Fourth Proportional to 254,812.10, 382,218.21 and 74,897.55

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Solution

The fourth proportional to 254,812.10, 382,218.21 and 74,897.55 is: 112,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,812.10 : 382,218.21 = 74,897.55 : x
  2. Step 2: Convert to fraction form
    254,812.10/382,218.21 = 74,897.55/x
  3. Step 3: Cross multiply
    254,812.10x = 382,218.21 × 74,897.55
  4. Step 4: Simplify right side
    254,812.10x = 28,627,207,494.39
  5. Step 5: Solve for x
    x = 28,627,207,494.39/254,812.10
  6. Step 6: Final answer
    x = 112,346.34

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1.5x scale

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.