Home / 371,622.60-557,579.70-134,989.20

Finding the Fourth Proportional to 371,622.60, 557,579.70 and 134,989.20

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Solution

The fourth proportional to 371,622.60, 557,579.70 and 134,989.20 is: 202,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,622.60 : 557,579.70 = 134,989.20 : x
  2. Step 2: Convert to fraction form
    371,622.60/557,579.70 = 134,989.20/x
  3. Step 3: Cross multiply
    371,622.60x = 557,579.70 × 134,989.20
  4. Step 4: Simplify right side
    371,622.60x = 75,267,237,639.24
  5. Step 5: Solve for x
    x = 75,267,237,639.24/371,622.60
  6. Step 6: Final answer
    x = 202,536.76

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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.