Home / 315,009.40-472,514.10-226,435.90

Finding the Fourth Proportional to 315,009.40, 472,514.10 and 226,435.90

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Solution

The fourth proportional to 315,009.40, 472,514.10 and 226,435.90 is: 339,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,009.40 : 472,514.10 = 226,435.90 : x
  2. Step 2: Convert to fraction form
    315,009.40/472,514.10 = 226,435.90/x
  3. Step 3: Cross multiply
    315,009.40x = 472,514.10 × 226,435.90
  4. Step 4: Simplify right side
    315,009.40x = 106,994,155,496.19
  5. Step 5: Solve for x
    x = 106,994,155,496.19/315,009.40
  6. Step 6: Final answer
    x = 339,653.85

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1.5x scale

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.