Home / 385,111.14-577,668.35-252,828.42

Finding the Fourth Proportional to 385,111.14, 577,668.35 and 252,828.42

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Solution

The fourth proportional to 385,111.14, 577,668.35 and 252,828.42 is: 379,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,111.14 : 577,668.35 = 252,828.42 : x
  2. Step 2: Convert to fraction form
    385,111.14/577,668.35 = 252,828.42/x
  3. Step 3: Cross multiply
    385,111.14x = 577,668.35 × 252,828.42
  4. Step 4: Simplify right side
    385,111.14x = 146,050,976,214.51
  5. Step 5: Solve for x
    x = 146,050,976,214.51/385,111.14
  6. Step 6: Final answer
    x = 379,243.71

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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.