Home / 211,754.13-317,635.29-51,831.46

Finding the Fourth Proportional to 211,754.13, 317,635.29 and 51,831.46

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Solution

The fourth proportional to 211,754.13, 317,635.29 and 51,831.46 is: 77,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,754.13 : 317,635.29 = 51,831.46 : x
  2. Step 2: Convert to fraction form
    211,754.13/317,635.29 = 51,831.46/x
  3. Step 3: Cross multiply
    211,754.13x = 317,635.29 × 51,831.46
  4. Step 4: Simplify right side
    211,754.13x = 16,463,500,828.22
  5. Step 5: Solve for x
    x = 16,463,500,828.22/211,754.13
  6. Step 6: Final answer
    x = 77,748.19

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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.