Home / 303,836.93-455,852.72-212,747.19

Finding the Fourth Proportional to 303,836.93, 455,852.72 and 212,747.19

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Solution

The fourth proportional to 303,836.93, 455,852.72 and 212,747.19 is: 319,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,836.93 : 455,852.72 = 212,747.19 : x
  2. Step 2: Convert to fraction form
    303,836.93/455,852.72 = 212,747.19/x
  3. Step 3: Cross multiply
    303,836.93x = 455,852.72 × 212,747.19
  4. Step 4: Simplify right side
    303,836.93x = 96,981,385,233.86
  5. Step 5: Solve for x
    x = 96,981,385,233.86/303,836.93
  6. Step 6: Final answer
    x = 319,188.93

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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.