Home / 219,880.32-329,844.36-70,085.40

Finding the Fourth Proportional to 219,880.32, 329,844.36 and 70,085.40

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Solution

The fourth proportional to 219,880.32, 329,844.36 and 70,085.40 is: 105,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,880.32 : 329,844.36 = 70,085.40 : x
  2. Step 2: Convert to fraction form
    219,880.32/329,844.36 = 70,085.40/x
  3. Step 3: Cross multiply
    219,880.32x = 329,844.36 × 70,085.40
  4. Step 4: Simplify right side
    219,880.32x = 23,117,273,908.34
  5. Step 5: Solve for x
    x = 23,117,273,908.34/219,880.32
  6. Step 6: Final answer
    x = 105,135.71

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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.