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Finding the Fourth Proportional to 205,079.60, 286,411.60 and 205,079.60

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Solution

The fourth proportional to 205,079.60, 286,411.60 and 205,079.60 is: 286,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,079.60 : 286,411.60 = 205,079.60 : x
  2. Step 2: Convert to fraction form
    205,079.60/286,411.60 = 205,079.60/x
  3. Step 3: Cross multiply
    205,079.60x = 286,411.60 × 205,079.60
  4. Step 4: Simplify right side
    205,079.60x = 58,737,176,363.36
  5. Step 5: Solve for x
    x = 58,737,176,363.36/205,079.60
  6. Step 6: Final answer
    x = 286,411.60

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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.