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Finding the Fourth Proportional to 397,937, 549,268.58 and 236,904.68

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Solution

The fourth proportional to 397,937, 549,268.58 and 236,904.68 is: 326,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,937 : 549,268.58 = 236,904.68 : x
  2. Step 2: Convert to fraction form
    397,937/549,268.58 = 236,904.68/x
  3. Step 3: Cross multiply
    397,937x = 549,268.58 × 236,904.68
  4. Step 4: Simplify right side
    397,937x = 130,124,297,178.95
  5. Step 5: Solve for x
    x = 130,124,297,178.95/397,937
  6. Step 6: Final answer
    x = 326,997.23

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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.