Home / 285,267.24-427,752.24-152,111.40

Finding the Fourth Proportional to 285,267.24, 427,752.24 and 152,111.40

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Solution

The fourth proportional to 285,267.24, 427,752.24 and 152,111.40 is: 228,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,267.24 : 427,752.24 = 152,111.40 : x
  2. Step 2: Convert to fraction form
    285,267.24/427,752.24 = 152,111.40/x
  3. Step 3: Cross multiply
    285,267.24x = 427,752.24 × 152,111.40
  4. Step 4: Simplify right side
    285,267.24x = 65,065,992,079.54
  5. Step 5: Solve for x
    x = 65,065,992,079.54/285,267.24
  6. Step 6: Final answer
    x = 228,087.85

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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.