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Finding the Fourth Proportional to 354,594.96, 489,329.82 and 201,649.77

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Solution

The fourth proportional to 354,594.96, 489,329.82 and 201,649.77 is: 278,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,594.96 : 489,329.82 = 201,649.77 : x
  2. Step 2: Convert to fraction form
    354,594.96/489,329.82 = 201,649.77/x
  3. Step 3: Cross multiply
    354,594.96x = 489,329.82 × 201,649.77
  4. Step 4: Simplify right side
    354,594.96x = 98,673,245,657.14
  5. Step 5: Solve for x
    x = 98,673,245,657.14/354,594.96
  6. Step 6: Final answer
    x = 278,270.30

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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.