Home / 330,971-456,739.98-180,069.08

Finding the Fourth Proportional to 330,971, 456,739.98 and 180,069.08

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Solution

The fourth proportional to 330,971, 456,739.98 and 180,069.08 is: 248,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,971 : 456,739.98 = 180,069.08 : x
  2. Step 2: Convert to fraction form
    330,971/456,739.98 = 180,069.08/x
  3. Step 3: Cross multiply
    330,971x = 456,739.98 × 180,069.08
  4. Step 4: Simplify right side
    330,971x = 82,244,747,997.82
  5. Step 5: Solve for x
    x = 82,244,747,997.82/330,971
  6. Step 6: Final answer
    x = 248,495.33

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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.