Home / 285,938.80-428,761.74-151,075.27

Finding the Fourth Proportional to 285,938.80, 428,761.74 and 151,075.27

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Solution

The fourth proportional to 285,938.80, 428,761.74 and 151,075.27 is: 226,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,938.80 : 428,761.74 = 151,075.27 : x
  2. Step 2: Convert to fraction form
    285,938.80/428,761.74 = 151,075.27/x
  3. Step 3: Cross multiply
    285,938.80x = 428,761.74 × 151,075.27
  4. Step 4: Simplify right side
    285,938.80x = 64,775,295,636.17
  5. Step 5: Solve for x
    x = 64,775,295,636.17/285,938.80
  6. Step 6: Final answer
    x = 226,535.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.