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Finding the Fourth Proportional to 239,265.48, 358,949.70 and 119,386.89

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Solution

The fourth proportional to 239,265.48, 358,949.70 and 119,386.89 is: 179,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,265.48 : 358,949.70 = 119,386.89 : x
  2. Step 2: Convert to fraction form
    239,265.48/358,949.70 = 119,386.89/x
  3. Step 3: Cross multiply
    239,265.48x = 358,949.70 × 119,386.89
  4. Step 4: Simplify right side
    239,265.48x = 42,853,889,695.49
  5. Step 5: Solve for x
    x = 42,853,889,695.49/239,265.48
  6. Step 6: Final answer
    x = 179,106.03

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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.