Home / 330,530.06-456,130.22-187,317.48

Finding the Fourth Proportional to 330,530.06, 456,130.22 and 187,317.48

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Solution

The fourth proportional to 330,530.06, 456,130.22 and 187,317.48 is: 258,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.06 : 456,130.22 = 187,317.48 : x
  2. Step 2: Convert to fraction form
    330,530.06/456,130.22 = 187,317.48/x
  3. Step 3: Cross multiply
    330,530.06x = 456,130.22 × 187,317.48
  4. Step 4: Simplify right side
    330,530.06x = 85,441,163,362.25
  5. Step 5: Solve for x
    x = 85,441,163,362.25/330,530.06
  6. Step 6: Final answer
    x = 258,497.41

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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.