Home / 428,137.47-590,849.16-237,150.84

Finding the Fourth Proportional to 428,137.47, 590,849.16 and 237,150.84

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Solution

The fourth proportional to 428,137.47, 590,849.16 and 237,150.84 is: 327,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,137.47 : 590,849.16 = 237,150.84 : x
  2. Step 2: Convert to fraction form
    428,137.47/590,849.16 = 237,150.84/x
  3. Step 3: Cross multiply
    428,137.47x = 590,849.16 × 237,150.84
  4. Step 4: Simplify right side
    428,137.47x = 140,120,374,607.29
  5. Step 5: Solve for x
    x = 140,120,374,607.29/428,137.47
  6. Step 6: Final answer
    x = 327,278.93

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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.