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Finding the Fourth Proportional to 469,667.63, 648,202.38 and 263,014.71

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Solution

The fourth proportional to 469,667.63, 648,202.38 and 263,014.71 is: 362,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,667.63 : 648,202.38 = 263,014.71 : x
  2. Step 2: Convert to fraction form
    469,667.63/648,202.38 = 263,014.71/x
  3. Step 3: Cross multiply
    469,667.63x = 648,202.38 × 263,014.71
  4. Step 4: Simplify right side
    469,667.63x = 170,486,759,681.94
  5. Step 5: Solve for x
    x = 170,486,759,681.94/469,667.63
  6. Step 6: Final answer
    x = 362,994.49

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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.