Home / 247,006.41-340,864.40-139,574.12

Finding the Fourth Proportional to 247,006.41, 340,864.40 and 139,574.12

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Solution

The fourth proportional to 247,006.41, 340,864.40 and 139,574.12 is: 192,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006.41 : 340,864.40 = 139,574.12 : x
  2. Step 2: Convert to fraction form
    247,006.41/340,864.40 = 139,574.12/x
  3. Step 3: Cross multiply
    247,006.41x = 340,864.40 × 139,574.12
  4. Step 4: Simplify right side
    247,006.41x = 47,575,848,669.33
  5. Step 5: Solve for x
    x = 47,575,848,669.33/247,006.41
  6. Step 6: Final answer
    x = 192,609.77

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1.5x scale

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.