Home / 296,128.50-408,667.08-161,992.50

Finding the Fourth Proportional to 296,128.50, 408,667.08 and 161,992.50

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Solution

The fourth proportional to 296,128.50, 408,667.08 and 161,992.50 is: 223,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,128.50 : 408,667.08 = 161,992.50 : x
  2. Step 2: Convert to fraction form
    296,128.50/408,667.08 = 161,992.50/x
  3. Step 3: Cross multiply
    296,128.50x = 408,667.08 × 161,992.50
  4. Step 4: Simplify right side
    296,128.50x = 66,201,001,956.90
  5. Step 5: Solve for x
    x = 66,201,001,956.90/296,128.50
  6. Step 6: Final answer
    x = 223,554.98

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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.