Home / 211,601.64-317,401.02-53,828.68

Finding the Fourth Proportional to 211,601.64, 317,401.02 and 53,828.68

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Solution

The fourth proportional to 211,601.64, 317,401.02 and 53,828.68 is: 80,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,601.64 : 317,401.02 = 53,828.68 : x
  2. Step 2: Convert to fraction form
    211,601.64/317,401.02 = 53,828.68/x
  3. Step 3: Cross multiply
    211,601.64x = 317,401.02 × 53,828.68
  4. Step 4: Simplify right side
    211,601.64x = 17,085,277,937.25
  5. Step 5: Solve for x
    x = 17,085,277,937.25/211,601.64
  6. Step 6: Final answer
    x = 80,742.65

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1.5x scale

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.