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Finding the Fourth Proportional to 170,290, 235,007.49 and 94,838.50

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Solution

The fourth proportional to 170,290, 235,007.49 and 94,838.50 is: 130,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,290 : 235,007.49 = 94,838.50 : x
  2. Step 2: Convert to fraction form
    170,290/235,007.49 = 94,838.50/x
  3. Step 3: Cross multiply
    170,290x = 235,007.49 × 94,838.50
  4. Step 4: Simplify right side
    170,290x = 22,287,757,840.37
  5. Step 5: Solve for x
    x = 22,287,757,840.37/170,290
  6. Step 6: Final answer
    x = 130,881.19

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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.