Home / 291,831.45-402,817.13-171,011.65

Finding the Fourth Proportional to 291,831.45, 402,817.13 and 171,011.65

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Solution

The fourth proportional to 291,831.45, 402,817.13 and 171,011.65 is: 236,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,831.45 : 402,817.13 = 171,011.65 : x
  2. Step 2: Convert to fraction form
    291,831.45/402,817.13 = 171,011.65/x
  3. Step 3: Cross multiply
    291,831.45x = 402,817.13 × 171,011.65
  4. Step 4: Simplify right side
    291,831.45x = 68,886,420,187.46
  5. Step 5: Solve for x
    x = 68,886,420,187.46/291,831.45
  6. Step 6: Final answer
    x = 236,048.65

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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.