Home / 646,495.52-969,890.16-197,256.56

Finding the Fourth Proportional to 646,495.52, 969,890.16 and 197,256.56

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Solution

The fourth proportional to 646,495.52, 969,890.16 and 197,256.56 is: 295,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,495.52 : 969,890.16 = 197,256.56 : x
  2. Step 2: Convert to fraction form
    646,495.52/969,890.16 = 197,256.56/x
  3. Step 3: Cross multiply
    646,495.52x = 969,890.16 × 197,256.56
  4. Step 4: Simplify right side
    646,495.52x = 191,317,196,539.45
  5. Step 5: Solve for x
    x = 191,317,196,539.45/646,495.52
  6. Step 6: Final answer
    x = 295,929.66

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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.