Home / 453,942.23-680,911.52-138,398.22

Finding the Fourth Proportional to 453,942.23, 680,911.52 and 138,398.22

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Solution

The fourth proportional to 453,942.23, 680,911.52 and 138,398.22 is: 207,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,942.23 : 680,911.52 = 138,398.22 : x
  2. Step 2: Convert to fraction form
    453,942.23/680,911.52 = 138,398.22/x
  3. Step 3: Cross multiply
    453,942.23x = 680,911.52 × 138,398.22
  4. Step 4: Simplify right side
    453,942.23x = 94,236,941,653.50
  5. Step 5: Solve for x
    x = 94,236,941,653.50/453,942.23
  6. Step 6: Final answer
    x = 207,596.77

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1.5x scale

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.