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Finding the Fourth Proportional to 235,263.08, 352,696.24 and 102,043

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Solution

The fourth proportional to 235,263.08, 352,696.24 and 102,043 is: 152,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,263.08 : 352,696.24 = 102,043 : x
  2. Step 2: Convert to fraction form
    235,263.08/352,696.24 = 102,043/x
  3. Step 3: Cross multiply
    235,263.08x = 352,696.24 × 102,043
  4. Step 4: Simplify right side
    235,263.08x = 35,990,182,418.32
  5. Step 5: Solve for x
    x = 35,990,182,418.32/235,263.08
  6. Step 6: Final answer
    x = 152,978.45

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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.