Home / 255,920.12-353,283.01-165,320.26

Finding the Fourth Proportional to 255,920.12, 353,283.01 and 165,320.26

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Solution

The fourth proportional to 255,920.12, 353,283.01 and 165,320.26 is: 228,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,920.12 : 353,283.01 = 165,320.26 : x
  2. Step 2: Convert to fraction form
    255,920.12/353,283.01 = 165,320.26/x
  3. Step 3: Cross multiply
    255,920.12x = 353,283.01 × 165,320.26
  4. Step 4: Simplify right side
    255,920.12x = 58,404,839,066.78
  5. Step 5: Solve for x
    x = 58,404,839,066.78/255,920.12
  6. Step 6: Final answer
    x = 228,215.11

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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.