Home / 330,485.19-456,068.37-187,272.60

Finding the Fourth Proportional to 330,485.19, 456,068.37 and 187,272.60

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Solution

The fourth proportional to 330,485.19, 456,068.37 and 187,272.60 is: 258,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,485.19 : 456,068.37 = 187,272.60 : x
  2. Step 2: Convert to fraction form
    330,485.19/456,068.37 = 187,272.60/x
  3. Step 3: Cross multiply
    330,485.19x = 456,068.37 × 187,272.60
  4. Step 4: Simplify right side
    330,485.19x = 85,409,109,427.66
  5. Step 5: Solve for x
    x = 85,409,109,427.66/330,485.19
  6. Step 6: Final answer
    x = 258,435.51

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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.