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Finding the Fourth Proportional to 295,119.99, 442,678.34 and 255,017.03

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Solution

The fourth proportional to 295,119.99, 442,678.34 and 255,017.03 is: 382,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,119.99 : 442,678.34 = 255,017.03 : x
  2. Step 2: Convert to fraction form
    295,119.99/442,678.34 = 255,017.03/x
  3. Step 3: Cross multiply
    295,119.99x = 442,678.34 × 255,017.03
  4. Step 4: Simplify right side
    295,119.99x = 112,890,517,256.37
  5. Step 5: Solve for x
    x = 112,890,517,256.37/295,119.99
  6. Step 6: Final answer
    x = 382,524.13

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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.