Home / 328,237.40-492,356.10-103,755.52

Finding the Fourth Proportional to 328,237.40, 492,356.10 and 103,755.52

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Solution

The fourth proportional to 328,237.40, 492,356.10 and 103,755.52 is: 155,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,237.40 : 492,356.10 = 103,755.52 : x
  2. Step 2: Convert to fraction form
    328,237.40/492,356.10 = 103,755.52/x
  3. Step 3: Cross multiply
    328,237.40x = 492,356.10 × 103,755.52
  4. Step 4: Simplify right side
    328,237.40x = 51,084,663,180.67
  5. Step 5: Solve for x
    x = 51,084,663,180.67/328,237.40
  6. Step 6: Final answer
    x = 155,633.28

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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.