Home / 428,835.80-591,864.27-237,910.70

Finding the Fourth Proportional to 428,835.80, 591,864.27 and 237,910.70

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Solution

The fourth proportional to 428,835.80, 591,864.27 and 237,910.70 is: 328,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,835.80 : 591,864.27 = 237,910.70 : x
  2. Step 2: Convert to fraction form
    428,835.80/591,864.27 = 237,910.70/x
  3. Step 3: Cross multiply
    428,835.80x = 591,864.27 × 237,910.70
  4. Step 4: Simplify right side
    428,835.80x = 140,810,843,368.19
  5. Step 5: Solve for x
    x = 140,810,843,368.19/428,835.80
  6. Step 6: Final answer
    x = 328,356.08

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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.