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Finding the Fourth Proportional to 155,325.87, 233,037.71 and 55,483.86

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Solution

The fourth proportional to 155,325.87, 233,037.71 and 55,483.86 is: 83,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,325.87 : 233,037.71 = 55,483.86 : x
  2. Step 2: Convert to fraction form
    155,325.87/233,037.71 = 55,483.86/x
  3. Step 3: Cross multiply
    155,325.87x = 233,037.71 × 55,483.86
  4. Step 4: Simplify right side
    155,325.87x = 12,929,831,676.36
  5. Step 5: Solve for x
    x = 12,929,831,676.36/155,325.87
  6. Step 6: Final answer
    x = 83,243.26

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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.