Home / 428,939.18-592,007.03-238,014.08

Finding the Fourth Proportional to 428,939.18, 592,007.03 and 238,014.08

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Solution

The fourth proportional to 428,939.18, 592,007.03 and 238,014.08 is: 328,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,939.18 : 592,007.03 = 238,014.08 : x
  2. Step 2: Convert to fraction form
    428,939.18/592,007.03 = 238,014.08/x
  3. Step 3: Cross multiply
    428,939.18x = 592,007.03 × 238,014.08
  4. Step 4: Simplify right side
    428,939.18x = 140,906,008,598.98
  5. Step 5: Solve for x
    x = 140,906,008,598.98/428,939.18
  6. Step 6: Final answer
    x = 328,498.81

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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.