Home / 374,138.64-515,942.46-230,868.27

Finding the Fourth Proportional to 374,138.64, 515,942.46 and 230,868.27

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Solution

The fourth proportional to 374,138.64, 515,942.46 and 230,868.27 is: 318,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,138.64 : 515,942.46 = 230,868.27 : x
  2. Step 2: Convert to fraction form
    374,138.64/515,942.46 = 230,868.27/x
  3. Step 3: Cross multiply
    374,138.64x = 515,942.46 × 230,868.27
  4. Step 4: Simplify right side
    374,138.64x = 119,114,743,159.74
  5. Step 5: Solve for x
    x = 119,114,743,159.74/374,138.64
  6. Step 6: Final answer
    x = 318,370.60

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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.