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Finding the Fourth Proportional to 173,620.80, 260,382.60 and 55,328.40

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Solution

The fourth proportional to 173,620.80, 260,382.60 and 55,328.40 is: 82,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,620.80 : 260,382.60 = 55,328.40 : x
  2. Step 2: Convert to fraction form
    173,620.80/260,382.60 = 55,328.40/x
  3. Step 3: Cross multiply
    173,620.80x = 260,382.60 × 55,328.40
  4. Step 4: Simplify right side
    173,620.80x = 14,406,552,645.84
  5. Step 5: Solve for x
    x = 14,406,552,645.84/173,620.80
  6. Step 6: Final answer
    x = 82,977.11

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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.