Home / 238,369.88-328,813.04-142,821.24

Finding the Fourth Proportional to 238,369.88, 328,813.04 and 142,821.24

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Solution

The fourth proportional to 238,369.88, 328,813.04 and 142,821.24 is: 197,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,369.88 : 328,813.04 = 142,821.24 : x
  2. Step 2: Convert to fraction form
    238,369.88/328,813.04 = 142,821.24/x
  3. Step 3: Cross multiply
    238,369.88x = 328,813.04 × 142,821.24
  4. Step 4: Simplify right side
    238,369.88x = 46,961,485,386.86
  5. Step 5: Solve for x
    x = 46,961,485,386.86/238,369.88
  6. Step 6: Final answer
    x = 197,010.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.