Home / 428,054.11-590,707.43-237,063.40

Finding the Fourth Proportional to 428,054.11, 590,707.43 and 237,063.40

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Solution

The fourth proportional to 428,054.11, 590,707.43 and 237,063.40 is: 327,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,054.11 : 590,707.43 = 237,063.40 : x
  2. Step 2: Convert to fraction form
    428,054.11/590,707.43 = 237,063.40/x
  3. Step 3: Cross multiply
    428,054.11x = 590,707.43 × 237,063.40
  4. Step 4: Simplify right side
    428,054.11x = 140,035,110,575.75
  5. Step 5: Solve for x
    x = 140,035,110,575.75/428,054.11
  6. Step 6: Final answer
    x = 327,143.48

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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.