Home / 330,293.36-455,815.60-187,050.32

Finding the Fourth Proportional to 330,293.36, 455,815.60 and 187,050.32

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Solution

The fourth proportional to 330,293.36, 455,815.60 and 187,050.32 is: 258,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,293.36 : 455,815.60 = 187,050.32 : x
  2. Step 2: Convert to fraction form
    330,293.36/455,815.60 = 187,050.32/x
  3. Step 3: Cross multiply
    330,293.36x = 455,815.60 × 187,050.32
  4. Step 4: Simplify right side
    330,293.36x = 85,260,453,840.99
  5. Step 5: Solve for x
    x = 85,260,453,840.99/330,293.36
  6. Step 6: Final answer
    x = 258,135.54

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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.