Home / 330,302.60-455,823.56-187,092.28

Finding the Fourth Proportional to 330,302.60, 455,823.56 and 187,092.28

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Solution

The fourth proportional to 330,302.60, 455,823.56 and 187,092.28 is: 258,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,302.60 : 455,823.56 = 187,092.28 : x
  2. Step 2: Convert to fraction form
    330,302.60/455,823.56 = 187,092.28/x
  3. Step 3: Cross multiply
    330,302.60x = 455,823.56 × 187,092.28
  4. Step 4: Simplify right side
    330,302.60x = 85,281,069,118.12
  5. Step 5: Solve for x
    x = 85,281,069,118.12/330,302.60
  6. Step 6: Final answer
    x = 258,190.73

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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.