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Finding the Fourth Proportional to 235,788, 325,420.38 and 151,085.52

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Solution

The fourth proportional to 235,788, 325,420.38 and 151,085.52 is: 208,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,788 : 325,420.38 = 151,085.52 : x
  2. Step 2: Convert to fraction form
    235,788/325,420.38 = 151,085.52/x
  3. Step 3: Cross multiply
    235,788x = 325,420.38 × 151,085.52
  4. Step 4: Simplify right side
    235,788x = 49,166,307,330.90
  5. Step 5: Solve for x
    x = 49,166,307,330.90/235,788
  6. Step 6: Final answer
    x = 208,519.12

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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.