Home / 405,112.34-559,048.20-223,831.82

Finding the Fourth Proportional to 405,112.34, 559,048.20 and 223,831.82

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Solution

The fourth proportional to 405,112.34, 559,048.20 and 223,831.82 is: 308,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,112.34 : 559,048.20 = 223,831.82 : x
  2. Step 2: Convert to fraction form
    405,112.34/559,048.20 = 223,831.82/x
  3. Step 3: Cross multiply
    405,112.34x = 559,048.20 × 223,831.82
  4. Step 4: Simplify right side
    405,112.34x = 125,132,776,073.72
  5. Step 5: Solve for x
    x = 125,132,776,073.72/405,112.34
  6. Step 6: Final answer
    x = 308,884.14

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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.