Home / 255,974.80-353,315.48-148,579.43

Finding the Fourth Proportional to 255,974.80, 353,315.48 and 148,579.43

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Solution

The fourth proportional to 255,974.80, 353,315.48 and 148,579.43 is: 205,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,974.80 : 353,315.48 = 148,579.43 : x
  2. Step 2: Convert to fraction form
    255,974.80/353,315.48 = 148,579.43/x
  3. Step 3: Cross multiply
    255,974.80x = 353,315.48 × 148,579.43
  4. Step 4: Simplify right side
    255,974.80x = 52,495,412,628.58
  5. Step 5: Solve for x
    x = 52,495,412,628.58/255,974.80
  6. Step 6: Final answer
    x = 205,080.39

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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.