Home / 642,302.06-963,416.03-193,013.29

Finding the Fourth Proportional to 642,302.06, 963,416.03 and 193,013.29

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Solution

The fourth proportional to 642,302.06, 963,416.03 and 193,013.29 is: 289,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,302.06 : 963,416.03 = 193,013.29 : x
  2. Step 2: Convert to fraction form
    642,302.06/963,416.03 = 193,013.29/x
  3. Step 3: Cross multiply
    642,302.06x = 963,416.03 × 193,013.29
  4. Step 4: Simplify right side
    642,302.06x = 185,952,095,663.03
  5. Step 5: Solve for x
    x = 185,952,095,663.03/642,302.06
  6. Step 6: Final answer
    x = 289,508.79

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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.