Home / 330,477.06-456,057.21-187,264.41

Finding the Fourth Proportional to 330,477.06, 456,057.21 and 187,264.41

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Solution

The fourth proportional to 330,477.06, 456,057.21 and 187,264.41 is: 258,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,477.06 : 456,057.21 = 187,264.41 : x
  2. Step 2: Convert to fraction form
    330,477.06/456,057.21 = 187,264.41/x
  3. Step 3: Cross multiply
    330,477.06x = 456,057.21 × 187,264.41
  4. Step 4: Simplify right side
    330,477.06x = 85,403,284,356.90
  5. Step 5: Solve for x
    x = 85,403,284,356.90/330,477.06
  6. Step 6: Final answer
    x = 258,424.24

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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.