Home / 303,835.93-455,851.22-212,746.19

Finding the Fourth Proportional to 303,835.93, 455,851.22 and 212,746.19

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Solution

The fourth proportional to 303,835.93, 455,851.22 and 212,746.19 is: 319,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,835.93 : 455,851.22 = 212,746.19 : x
  2. Step 2: Convert to fraction form
    303,835.93/455,851.22 = 212,746.19/x
  3. Step 3: Cross multiply
    303,835.93x = 455,851.22 × 212,746.19
  4. Step 4: Simplify right side
    303,835.93x = 96,980,608,514.46
  5. Step 5: Solve for x
    x = 96,980,608,514.46/303,835.93
  6. Step 6: Final answer
    x = 319,187.43

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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.