Home / 406,766.90-610,156.75-153,979.50

Finding the Fourth Proportional to 406,766.90, 610,156.75 and 153,979.50

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Solution

The fourth proportional to 406,766.90, 610,156.75 and 153,979.50 is: 230,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,766.90 : 610,156.75 = 153,979.50 : x
  2. Step 2: Convert to fraction form
    406,766.90/610,156.75 = 153,979.50/x
  3. Step 3: Cross multiply
    406,766.90x = 610,156.75 × 153,979.50
  4. Step 4: Simplify right side
    406,766.90x = 93,951,631,286.63
  5. Step 5: Solve for x
    x = 93,951,631,286.63/406,766.90
  6. Step 6: Final answer
    x = 230,971.67

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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.