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Finding the Fourth Proportional to 357,444.96, 493,272.75 and 196,310.44

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Solution

The fourth proportional to 357,444.96, 493,272.75 and 196,310.44 is: 270,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,444.96 : 493,272.75 = 196,310.44 : x
  2. Step 2: Convert to fraction form
    357,444.96/493,272.75 = 196,310.44/x
  3. Step 3: Cross multiply
    357,444.96x = 493,272.75 × 196,310.44
  4. Step 4: Simplify right side
    357,444.96x = 96,834,590,592.51
  5. Step 5: Solve for x
    x = 96,834,590,592.51/357,444.96
  6. Step 6: Final answer
    x = 270,907.70

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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.