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Finding the Fourth Proportional to 170,273.02, 255,015.86 and 164,368.12

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Solution

The fourth proportional to 170,273.02, 255,015.86 and 164,368.12 is: 246,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,273.02 : 255,015.86 = 164,368.12 : x
  2. Step 2: Convert to fraction form
    170,273.02/255,015.86 = 164,368.12/x
  3. Step 3: Cross multiply
    170,273.02x = 255,015.86 × 164,368.12
  4. Step 4: Simplify right side
    170,273.02x = 41,916,477,478.38
  5. Step 5: Solve for x
    x = 41,916,477,478.38/170,273.02
  6. Step 6: Final answer
    x = 246,172.16

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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.