Home / 296,777.40-443,999.70-268,783.80

Finding the Fourth Proportional to 296,777.40, 443,999.70 and 268,783.80

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Solution

The fourth proportional to 296,777.40, 443,999.70 and 268,783.80 is: 402,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,777.40 : 443,999.70 = 268,783.80 : x
  2. Step 2: Convert to fraction form
    296,777.40/443,999.70 = 268,783.80/x
  3. Step 3: Cross multiply
    296,777.40x = 443,999.70 × 268,783.80
  4. Step 4: Simplify right side
    296,777.40x = 119,339,926,564.86
  5. Step 5: Solve for x
    x = 119,339,926,564.86/296,777.40
  6. Step 6: Final answer
    x = 402,119.32

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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.