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Finding the Fourth Proportional to 362,009.54, 499,645.93 and 209,072.63

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Solution

The fourth proportional to 362,009.54, 499,645.93 and 209,072.63 is: 288,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,009.54 : 499,645.93 = 209,072.63 : x
  2. Step 2: Convert to fraction form
    362,009.54/499,645.93 = 209,072.63/x
  3. Step 3: Cross multiply
    362,009.54x = 499,645.93 × 209,072.63
  4. Step 4: Simplify right side
    362,009.54x = 104,462,288,653.90
  5. Step 5: Solve for x
    x = 104,462,288,653.90/362,009.54
  6. Step 6: Final answer
    x = 288,562.25

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1.5x scale

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.