Home / 371,399.45-556,885.53-198,077.39

Finding the Fourth Proportional to 371,399.45, 556,885.53 and 198,077.39

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Solution

The fourth proportional to 371,399.45, 556,885.53 and 198,077.39 is: 297,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,399.45 : 556,885.53 = 198,077.39 : x
  2. Step 2: Convert to fraction form
    371,399.45/556,885.53 = 198,077.39/x
  3. Step 3: Cross multiply
    371,399.45x = 556,885.53 × 198,077.39
  4. Step 4: Simplify right side
    371,399.45x = 110,306,429,526.74
  5. Step 5: Solve for x
    x = 110,306,429,526.74/371,399.45
  6. Step 6: Final answer
    x = 297,002.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.