Home / 408,048.98-562,514.12-285,159.83

Finding the Fourth Proportional to 408,048.98, 562,514.12 and 285,159.83

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Solution

The fourth proportional to 408,048.98, 562,514.12 and 285,159.83 is: 393,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,048.98 : 562,514.12 = 285,159.83 : x
  2. Step 2: Convert to fraction form
    408,048.98/562,514.12 = 285,159.83/x
  3. Step 3: Cross multiply
    408,048.98x = 562,514.12 × 285,159.83
  4. Step 4: Simplify right side
    408,048.98x = 160,406,430,831.80
  5. Step 5: Solve for x
    x = 160,406,430,831.80/408,048.98
  6. Step 6: Final answer
    x = 393,105.82

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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.