Home / 289,769.36-434,547.60-100,181.12

Finding the Fourth Proportional to 289,769.36, 434,547.60 and 100,181.12

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Solution

The fourth proportional to 289,769.36, 434,547.60 and 100,181.12 is: 150,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,769.36 : 434,547.60 = 100,181.12 : x
  2. Step 2: Convert to fraction form
    289,769.36/434,547.60 = 100,181.12/x
  3. Step 3: Cross multiply
    289,769.36x = 434,547.60 × 100,181.12
  4. Step 4: Simplify right side
    289,769.36x = 43,533,465,261.31
  5. Step 5: Solve for x
    x = 43,533,465,261.31/289,769.36
  6. Step 6: Final answer
    x = 150,234.88

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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.