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Finding the Fourth Proportional to 205,329.60, 286,761.60 and 205,329.60

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Solution

The fourth proportional to 205,329.60, 286,761.60 and 205,329.60 is: 286,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,329.60 : 286,761.60 = 205,329.60 : x
  2. Step 2: Convert to fraction form
    205,329.60/286,761.60 = 205,329.60/x
  3. Step 3: Cross multiply
    205,329.60x = 286,761.60 × 205,329.60
  4. Step 4: Simplify right side
    205,329.60x = 58,880,644,623.36
  5. Step 5: Solve for x
    x = 58,880,644,623.36/205,329.60
  6. Step 6: Final answer
    x = 286,761.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.