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Finding the Fourth Proportional to 173,620.02, 260,358.74 and 55,259.58

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Solution

The fourth proportional to 173,620.02, 260,358.74 and 55,259.58 is: 82,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,620.02 : 260,358.74 = 55,259.58 : x
  2. Step 2: Convert to fraction form
    173,620.02/260,358.74 = 55,259.58/x
  3. Step 3: Cross multiply
    173,620.02x = 260,358.74 × 55,259.58
  4. Step 4: Simplify right side
    173,620.02x = 14,387,314,621.73
  5. Step 5: Solve for x
    x = 14,387,314,621.73/173,620.02
  6. Step 6: Final answer
    x = 82,866.68

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1.5x scale

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.