Home / 428,976.05-592,057.82-238,050.95

Finding the Fourth Proportional to 428,976.05, 592,057.82 and 238,050.95

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Solution

The fourth proportional to 428,976.05, 592,057.82 and 238,050.95 is: 328,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,976.05 : 592,057.82 = 238,050.95 : x
  2. Step 2: Convert to fraction form
    428,976.05/592,057.82 = 238,050.95/x
  3. Step 3: Cross multiply
    428,976.05x = 592,057.82 × 238,050.95
  4. Step 4: Simplify right side
    428,976.05x = 140,939,925,315.67
  5. Step 5: Solve for x
    x = 140,939,925,315.67/428,976.05
  6. Step 6: Final answer
    x = 328,549.64

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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.