Home / 245,112.52-338,384.28-164,961.40

Finding the Fourth Proportional to 245,112.52, 338,384.28 and 164,961.40

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Solution

The fourth proportional to 245,112.52, 338,384.28 and 164,961.40 is: 227,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,112.52 : 338,384.28 = 164,961.40 : x
  2. Step 2: Convert to fraction form
    245,112.52/338,384.28 = 164,961.40/x
  3. Step 3: Cross multiply
    245,112.52x = 338,384.28 × 164,961.40
  4. Step 4: Simplify right side
    245,112.52x = 55,820,344,566.79
  5. Step 5: Solve for x
    x = 55,820,344,566.79/245,112.52
  6. Step 6: Final answer
    x = 227,733.55

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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.