Home / 205,250.60-307,584.30-142,848.20

Finding the Fourth Proportional to 205,250.60, 307,584.30 and 142,848.20

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Solution

The fourth proportional to 205,250.60, 307,584.30 and 142,848.20 is: 214,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,250.60 : 307,584.30 = 142,848.20 : x
  2. Step 2: Convert to fraction form
    205,250.60/307,584.30 = 142,848.20/x
  3. Step 3: Cross multiply
    205,250.60x = 307,584.30 × 142,848.20
  4. Step 4: Simplify right side
    205,250.60x = 43,937,863,603.26
  5. Step 5: Solve for x
    x = 43,937,863,603.26/205,250.60
  6. Step 6: Final answer
    x = 214,069.36

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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.