Home / 220,725.48-330,493.35-140,328.63

Finding the Fourth Proportional to 220,725.48, 330,493.35 and 140,328.63

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Solution

The fourth proportional to 220,725.48, 330,493.35 and 140,328.63 is: 210,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,725.48 : 330,493.35 = 140,328.63 : x
  2. Step 2: Convert to fraction form
    220,725.48/330,493.35 = 140,328.63/x
  3. Step 3: Cross multiply
    220,725.48x = 330,493.35 × 140,328.63
  4. Step 4: Simplify right side
    220,725.48x = 46,377,679,029.61
  5. Step 5: Solve for x
    x = 46,377,679,029.61/220,725.48
  6. Step 6: Final answer
    x = 210,114.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.