Home / 330,230.02-455,719.18-187,017.94

Finding the Fourth Proportional to 330,230.02, 455,719.18 and 187,017.94

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Solution

The fourth proportional to 330,230.02, 455,719.18 and 187,017.94 is: 258,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,230.02 : 455,719.18 = 187,017.94 : x
  2. Step 2: Convert to fraction form
    330,230.02/455,719.18 = 187,017.94/x
  3. Step 3: Cross multiply
    330,230.02x = 455,719.18 × 187,017.94
  4. Step 4: Simplify right side
    330,230.02x = 85,227,662,262.09
  5. Step 5: Solve for x
    x = 85,227,662,262.09/330,230.02
  6. Step 6: Final answer
    x = 258,085.75

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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.