Home / 377,005.35-520,271.09-204,923.21

Finding the Fourth Proportional to 377,005.35, 520,271.09 and 204,923.21

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Solution

The fourth proportional to 377,005.35, 520,271.09 and 204,923.21 is: 282,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,005.35 : 520,271.09 = 204,923.21 : x
  2. Step 2: Convert to fraction form
    377,005.35/520,271.09 = 204,923.21/x
  3. Step 3: Cross multiply
    377,005.35x = 520,271.09 × 204,923.21
  4. Step 4: Simplify right side
    377,005.35x = 106,615,622,109.06
  5. Step 5: Solve for x
    x = 106,615,622,109.06/377,005.35
  6. Step 6: Final answer
    x = 282,796.04

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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.