Home / 330,794.48-456,485.70-187,567.28

Finding the Fourth Proportional to 330,794.48, 456,485.70 and 187,567.28

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Solution

The fourth proportional to 330,794.48, 456,485.70 and 187,567.28 is: 258,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,794.48 : 456,485.70 = 187,567.28 : x
  2. Step 2: Convert to fraction form
    330,794.48/456,485.70 = 187,567.28/x
  3. Step 3: Cross multiply
    330,794.48x = 456,485.70 × 187,567.28
  4. Step 4: Simplify right side
    330,794.48x = 85,621,781,107.90
  5. Step 5: Solve for x
    x = 85,621,781,107.90/330,794.48
  6. Step 6: Final answer
    x = 258,836.79

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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.