Home / 285,592.28-427,707.45-165,395.27

Finding the Fourth Proportional to 285,592.28, 427,707.45 and 165,395.27

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Solution

The fourth proportional to 285,592.28, 427,707.45 and 165,395.27 is: 247,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,592.28 : 427,707.45 = 165,395.27 : x
  2. Step 2: Convert to fraction form
    285,592.28/427,707.45 = 165,395.27/x
  3. Step 3: Cross multiply
    285,592.28x = 427,707.45 × 165,395.27
  4. Step 4: Simplify right side
    285,592.28x = 70,740,788,782.52
  5. Step 5: Solve for x
    x = 70,740,788,782.52/285,592.28
  6. Step 6: Final answer
    x = 247,698.54

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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.