Home / 285,125.08-393,501.90-164,270.92

Finding the Fourth Proportional to 285,125.08, 393,501.90 and 164,270.92

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Solution

The fourth proportional to 285,125.08, 393,501.90 and 164,270.92 is: 226,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,125.08 : 393,501.90 = 164,270.92 : x
  2. Step 2: Convert to fraction form
    285,125.08/393,501.90 = 164,270.92/x
  3. Step 3: Cross multiply
    285,125.08x = 393,501.90 × 164,270.92
  4. Step 4: Simplify right side
    285,125.08x = 64,640,919,134.75
  5. Step 5: Solve for x
    x = 64,640,919,134.75/285,125.08
  6. Step 6: Final answer
    x = 226,710.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.