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Finding the Fourth Proportional to 291,465.05, 437,009.77 and 122,940.29

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Solution

The fourth proportional to 291,465.05, 437,009.77 and 122,940.29 is: 184,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,465.05 : 437,009.77 = 122,940.29 : x
  2. Step 2: Convert to fraction form
    291,465.05/437,009.77 = 122,940.29/x
  3. Step 3: Cross multiply
    291,465.05x = 437,009.77 × 122,940.29
  4. Step 4: Simplify right side
    291,465.05x = 53,726,109,102.83
  5. Step 5: Solve for x
    x = 53,726,109,102.83/291,465.05
  6. Step 6: Final answer
    x = 184,331.23

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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.