Home / 255,821.00-353,171.39-153,869.22

Finding the Fourth Proportional to 255,821.00, 353,171.39 and 153,869.22

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Solution

The fourth proportional to 255,821.00, 353,171.39 and 153,869.22 is: 212,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,821.00 : 353,171.39 = 153,869.22 : x
  2. Step 2: Convert to fraction form
    255,821.00/353,171.39 = 153,869.22/x
  3. Step 3: Cross multiply
    255,821.00x = 353,171.39 × 153,869.22
  4. Step 4: Simplify right side
    255,821.00x = 54,342,206,401.78
  5. Step 5: Solve for x
    x = 54,342,206,401.78/255,821.00
  6. Step 6: Final answer
    x = 212,422.77

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1.5x scale

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.