Home / 282,110.78-423,234.52-162,244.45

Finding the Fourth Proportional to 282,110.78, 423,234.52 and 162,244.45

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Solution

The fourth proportional to 282,110.78, 423,234.52 and 162,244.45 is: 243,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,110.78 : 423,234.52 = 162,244.45 : x
  2. Step 2: Convert to fraction form
    282,110.78/423,234.52 = 162,244.45/x
  3. Step 3: Cross multiply
    282,110.78x = 423,234.52 × 162,244.45
  4. Step 4: Simplify right side
    282,110.78x = 68,667,452,041.85
  5. Step 5: Solve for x
    x = 68,667,452,041.85/282,110.78
  6. Step 6: Final answer
    x = 243,405.98

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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.