Home / 209,007.48-313,999.74-197,678.82

Finding the Fourth Proportional to 209,007.48, 313,999.74 and 197,678.82

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Solution

The fourth proportional to 209,007.48, 313,999.74 and 197,678.82 is: 296,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,007.48 : 313,999.74 = 197,678.82 : x
  2. Step 2: Convert to fraction form
    209,007.48/313,999.74 = 197,678.82/x
  3. Step 3: Cross multiply
    209,007.48x = 313,999.74 × 197,678.82
  4. Step 4: Simplify right side
    209,007.48x = 62,071,098,083.51
  5. Step 5: Solve for x
    x = 62,071,098,083.51/209,007.48
  6. Step 6: Final answer
    x = 296,980.27

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1.5x scale

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.