Home / 330,630.48-456,275.06-185,468.44

Finding the Fourth Proportional to 330,630.48, 456,275.06 and 185,468.44

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Solution

The fourth proportional to 330,630.48, 456,275.06 and 185,468.44 is: 255,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,630.48 : 456,275.06 = 185,468.44 : x
  2. Step 2: Convert to fraction form
    330,630.48/456,275.06 = 185,468.44/x
  3. Step 3: Cross multiply
    330,630.48x = 456,275.06 × 185,468.44
  4. Step 4: Simplify right side
    330,630.48x = 84,624,623,072.10
  5. Step 5: Solve for x
    x = 84,624,623,072.10/330,630.48
  6. Step 6: Final answer
    x = 255,949.25

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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.