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Finding the Fourth Proportional to 368,683.20, 508,520.52 and 246,113.82

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Solution

The fourth proportional to 368,683.20, 508,520.52 and 246,113.82 is: 339,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,683.20 : 508,520.52 = 246,113.82 : x
  2. Step 2: Convert to fraction form
    368,683.20/508,520.52 = 246,113.82/x
  3. Step 3: Cross multiply
    368,683.20x = 508,520.52 × 246,113.82
  4. Step 4: Simplify right side
    368,683.20x = 125,153,927,725.59
  5. Step 5: Solve for x
    x = 125,153,927,725.59/368,683.20
  6. Step 6: Final answer
    x = 339,461.98

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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.