Home / 377,434.16-520,859.14-207,668.28

Finding the Fourth Proportional to 377,434.16, 520,859.14 and 207,668.28

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Solution

The fourth proportional to 377,434.16, 520,859.14 and 207,668.28 is: 286,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,434.16 : 520,859.14 = 207,668.28 : x
  2. Step 2: Convert to fraction form
    377,434.16/520,859.14 = 207,668.28/x
  3. Step 3: Cross multiply
    377,434.16x = 520,859.14 × 207,668.28
  4. Step 4: Simplify right side
    377,434.16x = 108,165,921,726.08
  5. Step 5: Solve for x
    x = 108,165,921,726.08/377,434.16
  6. Step 6: Final answer
    x = 286,582.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.