Home / 428,943.06-592,012.38-238,017.96

Finding the Fourth Proportional to 428,943.06, 592,012.38 and 238,017.96

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Solution

The fourth proportional to 428,943.06, 592,012.38 and 238,017.96 is: 328,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,943.06 : 592,012.38 = 238,017.96 : x
  2. Step 2: Convert to fraction form
    428,943.06/592,012.38 = 238,017.96/x
  3. Step 3: Cross multiply
    428,943.06x = 592,012.38 × 238,017.96
  4. Step 4: Simplify right side
    428,943.06x = 140,909,578,982.35
  5. Step 5: Solve for x
    x = 140,909,578,982.35/428,943.06
  6. Step 6: Final answer
    x = 328,504.16

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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.