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Finding the Fourth Proportional to 255,069.60, 352,026.37 and 146,212.89

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Solution

The fourth proportional to 255,069.60, 352,026.37 and 146,212.89 is: 201,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,069.60 : 352,026.37 = 146,212.89 : x
  2. Step 2: Convert to fraction form
    255,069.60/352,026.37 = 146,212.89/x
  3. Step 3: Cross multiply
    255,069.60x = 352,026.37 × 146,212.89
  4. Step 4: Simplify right side
    255,069.60x = 51,470,792,913.91
  5. Step 5: Solve for x
    x = 51,470,792,913.91/255,069.60
  6. Step 6: Final answer
    x = 201,791.17

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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.