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Finding the Fourth Proportional to 453,656.06, 680,582.50 and 138,104.76

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Solution

The fourth proportional to 453,656.06, 680,582.50 and 138,104.76 is: 207,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,656.06 : 680,582.50 = 138,104.76 : x
  2. Step 2: Convert to fraction form
    453,656.06/680,582.50 = 138,104.76/x
  3. Step 3: Cross multiply
    453,656.06x = 680,582.50 × 138,104.76
  4. Step 4: Simplify right side
    453,656.06x = 93,991,682,477.44
  5. Step 5: Solve for x
    x = 93,991,682,477.44/453,656.06
  6. Step 6: Final answer
    x = 207,187.10

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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.