Home / 304,869.83-457,514.53-105,190.35

Finding the Fourth Proportional to 304,869.83, 457,514.53 and 105,190.35

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Solution

The fourth proportional to 304,869.83, 457,514.53 and 105,190.35 is: 157,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,869.83 : 457,514.53 = 105,190.35 : x
  2. Step 2: Convert to fraction form
    304,869.83/457,514.53 = 105,190.35/x
  3. Step 3: Cross multiply
    304,869.83x = 457,514.53 × 105,190.35
  4. Step 4: Simplify right side
    304,869.83x = 48,126,111,562.13
  5. Step 5: Solve for x
    x = 48,126,111,562.13/304,869.83
  6. Step 6: Final answer
    x = 157,857.90

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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.