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Finding the Fourth Proportional to 172,453.74, 260,300.32 and 172,453.74

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Solution

The fourth proportional to 172,453.74, 260,300.32 and 172,453.74 is: 260,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,453.74 : 260,300.32 = 172,453.74 : x
  2. Step 2: Convert to fraction form
    172,453.74/260,300.32 = 172,453.74/x
  3. Step 3: Cross multiply
    172,453.74x = 260,300.32 × 172,453.74
  4. Step 4: Simplify right side
    172,453.74x = 44,889,763,276.06
  5. Step 5: Solve for x
    x = 44,889,763,276.06/172,453.74
  6. Step 6: Final answer
    x = 260,300.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.