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Finding the Fourth Proportional to 291,843.77, 402,807.02 and 184,345.43

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Solution

The fourth proportional to 291,843.77, 402,807.02 and 184,345.43 is: 254,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,843.77 : 402,807.02 = 184,345.43 : x
  2. Step 2: Convert to fraction form
    291,843.77/402,807.02 = 184,345.43/x
  3. Step 3: Cross multiply
    291,843.77x = 402,807.02 × 184,345.43
  4. Step 4: Simplify right side
    291,843.77x = 74,255,630,373.16
  5. Step 5: Solve for x
    x = 74,255,630,373.16/291,843.77
  6. Step 6: Final answer
    x = 254,436.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.