Home / 247,053.04-340,807.98-156,256.09

Finding the Fourth Proportional to 247,053.04, 340,807.98 and 156,256.09

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Solution

The fourth proportional to 247,053.04, 340,807.98 and 156,256.09 is: 215,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,053.04 : 340,807.98 = 156,256.09 : x
  2. Step 2: Convert to fraction form
    247,053.04/340,807.98 = 156,256.09/x
  3. Step 3: Cross multiply
    247,053.04x = 340,807.98 × 156,256.09
  4. Step 4: Simplify right side
    247,053.04x = 53,253,322,395.60
  5. Step 5: Solve for x
    x = 53,253,322,395.60/247,053.04
  6. Step 6: Final answer
    x = 215,554.21

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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.