Home / 371,941.11-557,701.67-340,202.28

Finding the Fourth Proportional to 371,941.11, 557,701.67 and 340,202.28

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Solution

The fourth proportional to 371,941.11, 557,701.67 and 340,202.28 is: 510,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,941.11 : 557,701.67 = 340,202.28 : x
  2. Step 2: Convert to fraction form
    371,941.11/557,701.67 = 340,202.28/x
  3. Step 3: Cross multiply
    371,941.11x = 557,701.67 × 340,202.28
  4. Step 4: Simplify right side
    371,941.11x = 189,731,377,992.80
  5. Step 5: Solve for x
    x = 189,731,377,992.80/371,941.11
  6. Step 6: Final answer
    x = 510,111.34

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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.