Home / 428,184.51-590,895.08-231,951.45

Finding the Fourth Proportional to 428,184.51, 590,895.08 and 231,951.45

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Solution

The fourth proportional to 428,184.51, 590,895.08 and 231,951.45 is: 320,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,184.51 : 590,895.08 = 231,951.45 : x
  2. Step 2: Convert to fraction form
    428,184.51/590,895.08 = 231,951.45/x
  3. Step 3: Cross multiply
    428,184.51x = 590,895.08 × 231,951.45
  4. Step 4: Simplify right side
    428,184.51x = 137,058,970,510.73
  5. Step 5: Solve for x
    x = 137,058,970,510.73/428,184.51
  6. Step 6: Final answer
    x = 320,093.25

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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.