Home / 304,790.97-457,216.53-105,085.07

Finding the Fourth Proportional to 304,790.97, 457,216.53 and 105,085.07

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Solution

The fourth proportional to 304,790.97, 457,216.53 and 105,085.07 is: 157,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,790.97 : 457,216.53 = 105,085.07 : x
  2. Step 2: Convert to fraction form
    304,790.97/457,216.53 = 105,085.07/x
  3. Step 3: Cross multiply
    304,790.97x = 457,216.53 × 105,085.07
  4. Step 4: Simplify right side
    304,790.97x = 48,046,631,060.21
  5. Step 5: Solve for x
    x = 48,046,631,060.21/304,790.97
  6. Step 6: Final answer
    x = 157,637.97

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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.