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Finding the Fourth Proportional to 505,472.04, 758,210.58 and 205,955.64

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Solution

The fourth proportional to 505,472.04, 758,210.58 and 205,955.64 is: 308,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,472.04 : 758,210.58 = 205,955.64 : x
  2. Step 2: Convert to fraction form
    505,472.04/758,210.58 = 205,955.64/x
  3. Step 3: Cross multiply
    505,472.04x = 758,210.58 × 205,955.64
  4. Step 4: Simplify right side
    505,472.04x = 156,157,745,258.67
  5. Step 5: Solve for x
    x = 156,157,745,258.67/505,472.04
  6. Step 6: Final answer
    x = 308,934.49

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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.