Home / 254,777.10-382,068.45-77,225.10

Finding the Fourth Proportional to 254,777.10, 382,068.45 and 77,225.10

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Solution

The fourth proportional to 254,777.10, 382,068.45 and 77,225.10 is: 115,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,777.10 : 382,068.45 = 77,225.10 : x
  2. Step 2: Convert to fraction form
    254,777.10/382,068.45 = 77,225.10/x
  3. Step 3: Cross multiply
    254,777.10x = 382,068.45 × 77,225.10
  4. Step 4: Simplify right side
    254,777.10x = 29,505,274,258.10
  5. Step 5: Solve for x
    x = 29,505,274,258.10/254,777.10
  6. Step 6: Final answer
    x = 115,808.19

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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.