Home / 428,261.94-590,993.82-237,271.50

Finding the Fourth Proportional to 428,261.94, 590,993.82 and 237,271.50

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Solution

The fourth proportional to 428,261.94, 590,993.82 and 237,271.50 is: 327,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,261.94 : 590,993.82 = 237,271.50 : x
  2. Step 2: Convert to fraction form
    428,261.94/590,993.82 = 237,271.50/x
  3. Step 3: Cross multiply
    428,261.94x = 590,993.82 × 237,271.50
  4. Step 4: Simplify right side
    428,261.94x = 140,225,990,162.13
  5. Step 5: Solve for x
    x = 140,225,990,162.13/428,261.94
  6. Step 6: Final answer
    x = 327,430.43

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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.