Home / 357,747.86-493,701.14-196,607

Finding the Fourth Proportional to 357,747.86, 493,701.14 and 196,607

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Solution

The fourth proportional to 357,747.86, 493,701.14 and 196,607 is: 271,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,747.86 : 493,701.14 = 196,607 : x
  2. Step 2: Convert to fraction form
    357,747.86/493,701.14 = 196,607/x
  3. Step 3: Cross multiply
    357,747.86x = 493,701.14 × 196,607
  4. Step 4: Simplify right side
    357,747.86x = 97,065,100,031.98
  5. Step 5: Solve for x
    x = 97,065,100,031.98/357,747.86
  6. Step 6: Final answer
    x = 271,322.66

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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.