Home / 371,401.20-556,888.16-198,079.12

Finding the Fourth Proportional to 371,401.20, 556,888.16 and 198,079.12

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Solution

The fourth proportional to 371,401.20, 556,888.16 and 198,079.12 is: 297,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,401.20 : 556,888.16 = 198,079.12 : x
  2. Step 2: Convert to fraction form
    371,401.20/556,888.16 = 198,079.12/x
  3. Step 3: Cross multiply
    371,401.20x = 556,888.16 × 198,079.12
  4. Step 4: Simplify right side
    371,401.20x = 110,307,916,671.22
  5. Step 5: Solve for x
    x = 110,307,916,671.22/371,401.20
  6. Step 6: Final answer
    x = 297,004.74

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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.