Home / 494,570.81-741,752.33-139,501.79

Finding the Fourth Proportional to 494,570.81, 741,752.33 and 139,501.79

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Solution

The fourth proportional to 494,570.81, 741,752.33 and 139,501.79 is: 209,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,570.81 : 741,752.33 = 139,501.79 : x
  2. Step 2: Convert to fraction form
    494,570.81/741,752.33 = 139,501.79/x
  3. Step 3: Cross multiply
    494,570.81x = 741,752.33 × 139,501.79
  4. Step 4: Simplify right side
    494,570.81x = 103,475,773,365.40
  5. Step 5: Solve for x
    x = 103,475,773,365.40/494,570.81
  6. Step 6: Final answer
    x = 209,223.38

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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.