Home / 289,966.93-434,771.73-100,383.19

Finding the Fourth Proportional to 289,966.93, 434,771.73 and 100,383.19

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Solution

The fourth proportional to 289,966.93, 434,771.73 and 100,383.19 is: 150,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,966.93 : 434,771.73 = 100,383.19 : x
  2. Step 2: Convert to fraction form
    289,966.93/434,771.73 = 100,383.19/x
  3. Step 3: Cross multiply
    289,966.93x = 434,771.73 × 100,383.19
  4. Step 4: Simplify right side
    289,966.93x = 43,643,773,179.22
  5. Step 5: Solve for x
    x = 43,643,773,179.22/289,966.93
  6. Step 6: Final answer
    x = 150,512.93

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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.