Home / 330,393.07-455,927.79-187,150.24

Finding the Fourth Proportional to 330,393.07, 455,927.79 and 187,150.24

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Solution

The fourth proportional to 330,393.07, 455,927.79 and 187,150.24 is: 258,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,393.07 : 455,927.79 = 187,150.24 : x
  2. Step 2: Convert to fraction form
    330,393.07/455,927.79 = 187,150.24/x
  3. Step 3: Cross multiply
    330,393.07x = 455,927.79 × 187,150.24
  4. Step 4: Simplify right side
    330,393.07x = 85,326,995,321.17
  5. Step 5: Solve for x
    x = 85,326,995,321.17/330,393.07
  6. Step 6: Final answer
    x = 258,259.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.