Home / 494,845.16-742,271.90-139,851.24

Finding the Fourth Proportional to 494,845.16, 742,271.90 and 139,851.24

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Solution

The fourth proportional to 494,845.16, 742,271.90 and 139,851.24 is: 209,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,845.16 : 742,271.90 = 139,851.24 : x
  2. Step 2: Convert to fraction form
    494,845.16/742,271.90 = 139,851.24/x
  3. Step 3: Cross multiply
    494,845.16x = 742,271.90 × 139,851.24
  4. Step 4: Simplify right side
    494,845.16x = 103,807,645,632.16
  5. Step 5: Solve for x
    x = 103,807,645,632.16/494,845.16
  6. Step 6: Final answer
    x = 209,778.04

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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.