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Finding the Fourth Proportional to 250,959.04, 346,171.44 and 148,917.40

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Solution

The fourth proportional to 250,959.04, 346,171.44 and 148,917.40 is: 205,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,959.04 : 346,171.44 = 148,917.40 : x
  2. Step 2: Convert to fraction form
    250,959.04/346,171.44 = 148,917.40/x
  3. Step 3: Cross multiply
    250,959.04x = 346,171.44 × 148,917.40
  4. Step 4: Simplify right side
    250,959.04x = 51,550,950,799.06
  5. Step 5: Solve for x
    x = 51,550,950,799.06/250,959.04
  6. Step 6: Final answer
    x = 205,415.80

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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.