Home / 254,897.15-382,346.33-77,405.49

Finding the Fourth Proportional to 254,897.15, 382,346.33 and 77,405.49

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Solution

The fourth proportional to 254,897.15, 382,346.33 and 77,405.49 is: 116,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,897.15 : 382,346.33 = 77,405.49 : x
  2. Step 2: Convert to fraction form
    254,897.15/382,346.33 = 77,405.49/x
  3. Step 3: Cross multiply
    254,897.15x = 382,346.33 × 77,405.49
  4. Step 4: Simplify right side
    254,897.15x = 29,595,704,636.32
  5. Step 5: Solve for x
    x = 29,595,704,636.32/254,897.15
  6. Step 6: Final answer
    x = 116,108.42

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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.