Home / 209,378.48-313,341.96-200,669.36

Finding the Fourth Proportional to 209,378.48, 313,341.96 and 200,669.36

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Solution

The fourth proportional to 209,378.48, 313,341.96 and 200,669.36 is: 300,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,378.48 : 313,341.96 = 200,669.36 : x
  2. Step 2: Convert to fraction form
    209,378.48/313,341.96 = 200,669.36/x
  3. Step 3: Cross multiply
    209,378.48x = 313,341.96 × 200,669.36
  4. Step 4: Simplify right side
    209,378.48x = 62,878,130,574.35
  5. Step 5: Solve for x
    x = 62,878,130,574.35/209,378.48
  6. Step 6: Final answer
    x = 300,308.47

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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.