Home / 295,899.24-443,783.90-85,491.40

Finding the Fourth Proportional to 295,899.24, 443,783.90 and 85,491.40

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Solution

The fourth proportional to 295,899.24, 443,783.90 and 85,491.40 is: 128,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,899.24 : 443,783.90 = 85,491.40 : x
  2. Step 2: Convert to fraction form
    295,899.24/443,783.90 = 85,491.40/x
  3. Step 3: Cross multiply
    295,899.24x = 443,783.90 × 85,491.40
  4. Step 4: Simplify right side
    295,899.24x = 37,939,706,908.46
  5. Step 5: Solve for x
    x = 37,939,706,908.46/295,899.24
  6. Step 6: Final answer
    x = 128,218.33

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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.