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Finding the Fourth Proportional to 245,359.78, 368,098.47 and 118,852.16

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Solution

The fourth proportional to 245,359.78, 368,098.47 and 118,852.16 is: 178,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,359.78 : 368,098.47 = 118,852.16 : x
  2. Step 2: Convert to fraction form
    245,359.78/368,098.47 = 118,852.16/x
  3. Step 3: Cross multiply
    245,359.78x = 368,098.47 × 118,852.16
  4. Step 4: Simplify right side
    245,359.78x = 43,749,296,411.70
  5. Step 5: Solve for x
    x = 43,749,296,411.70/245,359.78
  6. Step 6: Final answer
    x = 178,306.72

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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.