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Finding the Fourth Proportional to 305,988, 422,303.04 and 171,852

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Solution

The fourth proportional to 305,988, 422,303.04 and 171,852 is: 237,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,988 : 422,303.04 = 171,852 : x
  2. Step 2: Convert to fraction form
    305,988/422,303.04 = 171,852/x
  3. Step 3: Cross multiply
    305,988x = 422,303.04 × 171,852
  4. Step 4: Simplify right side
    305,988x = 72,573,622,030.08
  5. Step 5: Solve for x
    x = 72,573,622,030.08/305,988
  6. Step 6: Final answer
    x = 237,178.00

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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.