Home / 428,338.93-591,075.21-237,348.22

Finding the Fourth Proportional to 428,338.93, 591,075.21 and 237,348.22

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Solution

The fourth proportional to 428,338.93, 591,075.21 and 237,348.22 is: 327,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,338.93 : 591,075.21 = 237,348.22 : x
  2. Step 2: Convert to fraction form
    428,338.93/591,075.21 = 237,348.22/x
  3. Step 3: Cross multiply
    428,338.93x = 591,075.21 × 237,348.22
  4. Step 4: Simplify right side
    428,338.93x = 140,290,648,979.63
  5. Step 5: Solve for x
    x = 140,290,648,979.63/428,338.93
  6. Step 6: Final answer
    x = 327,522.53

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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.