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Finding the Fourth Proportional to 357,444.46, 493,272.06 and 196,309.94

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Solution

The fourth proportional to 357,444.46, 493,272.06 and 196,309.94 is: 270,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,444.46 : 493,272.06 = 196,309.94 : x
  2. Step 2: Convert to fraction form
    357,444.46/493,272.06 = 196,309.94/x
  3. Step 3: Cross multiply
    357,444.46x = 493,272.06 × 196,309.94
  4. Step 4: Simplify right side
    357,444.46x = 96,834,208,502.28
  5. Step 5: Solve for x
    x = 96,834,208,502.28/357,444.46
  6. Step 6: Final answer
    x = 270,907.01

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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.