Home / 295,715.89-407,663.03-210,685.33

Finding the Fourth Proportional to 295,715.89, 407,663.03 and 210,685.33

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Solution

The fourth proportional to 295,715.89, 407,663.03 and 210,685.33 is: 290,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,715.89 : 407,663.03 = 210,685.33 : x
  2. Step 2: Convert to fraction form
    295,715.89/407,663.03 = 210,685.33/x
  3. Step 3: Cross multiply
    295,715.89x = 407,663.03 × 210,685.33
  4. Step 4: Simplify right side
    295,715.89x = 85,888,619,511.91
  5. Step 5: Solve for x
    x = 85,888,619,511.91/295,715.89
  6. Step 6: Final answer
    x = 290,443.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.