Home / 453,944.39-680,829.10-138,433.19

Finding the Fourth Proportional to 453,944.39, 680,829.10 and 138,433.19

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Solution

The fourth proportional to 453,944.39, 680,829.10 and 138,433.19 is: 207,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,944.39 : 680,829.10 = 138,433.19 : x
  2. Step 2: Convert to fraction form
    453,944.39/680,829.10 = 138,433.19/x
  3. Step 3: Cross multiply
    453,944.39x = 680,829.10 × 138,433.19
  4. Step 4: Simplify right side
    453,944.39x = 94,249,340,407.60
  5. Step 5: Solve for x
    x = 94,249,340,407.60/453,944.39
  6. Step 6: Final answer
    x = 207,623.10

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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.