Home / 353,130.17-487,297.80-198,072.93

Finding the Fourth Proportional to 353,130.17, 487,297.80 and 198,072.93

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Solution

The fourth proportional to 353,130.17, 487,297.80 and 198,072.93 is: 273,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,130.17 : 487,297.80 = 198,072.93 : x
  2. Step 2: Convert to fraction form
    353,130.17/487,297.80 = 198,072.93/x
  3. Step 3: Cross multiply
    353,130.17x = 487,297.80 × 198,072.93
  4. Step 4: Simplify right side
    353,130.17x = 96,520,503,028.55
  5. Step 5: Solve for x
    x = 96,520,503,028.55/353,130.17
  6. Step 6: Final answer
    x = 273,328.40

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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.