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Finding the Fourth Proportional to 495,373.44, 683,789.76 and 294,168

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Solution

The fourth proportional to 495,373.44, 683,789.76 and 294,168 is: 406,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,373.44 : 683,789.76 = 294,168 : x
  2. Step 2: Convert to fraction form
    495,373.44/683,789.76 = 294,168/x
  3. Step 3: Cross multiply
    495,373.44x = 683,789.76 × 294,168
  4. Step 4: Simplify right side
    495,373.44x = 201,149,066,119.68
  5. Step 5: Solve for x
    x = 201,149,066,119.68/495,373.44
  6. Step 6: Final answer
    x = 406,055.41

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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.