Home / 254,803.02-382,205.34-77,311.50

Finding the Fourth Proportional to 254,803.02, 382,205.34 and 77,311.50

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Solution

The fourth proportional to 254,803.02, 382,205.34 and 77,311.50 is: 115,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,803.02 : 382,205.34 = 77,311.50 : x
  2. Step 2: Convert to fraction form
    254,803.02/382,205.34 = 77,311.50/x
  3. Step 3: Cross multiply
    254,803.02x = 382,205.34 × 77,311.50
  4. Step 4: Simplify right side
    254,803.02x = 29,548,868,143.41
  5. Step 5: Solve for x
    x = 29,548,868,143.41/254,803.02
  6. Step 6: Final answer
    x = 115,967.50

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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.