Home / 395,271.36-592,828.20-142,544.88

Finding the Fourth Proportional to 395,271.36, 592,828.20 and 142,544.88

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Solution

The fourth proportional to 395,271.36, 592,828.20 and 142,544.88 is: 213,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,271.36 : 592,828.20 = 142,544.88 : x
  2. Step 2: Convert to fraction form
    395,271.36/592,828.20 = 142,544.88/x
  3. Step 3: Cross multiply
    395,271.36x = 592,828.20 × 142,544.88
  4. Step 4: Simplify right side
    395,271.36x = 84,504,624,629.62
  5. Step 5: Solve for x
    x = 84,504,624,629.62/395,271.36
  6. Step 6: Final answer
    x = 213,788.89

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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.