Home / 335,938.40-503,907.60-99,288.80

Finding the Fourth Proportional to 335,938.40, 503,907.60 and 99,288.80

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Solution

The fourth proportional to 335,938.40, 503,907.60 and 99,288.80 is: 148,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,938.40 : 503,907.60 = 99,288.80 : x
  2. Step 2: Convert to fraction form
    335,938.40/503,907.60 = 99,288.80/x
  3. Step 3: Cross multiply
    335,938.40x = 503,907.60 × 99,288.80
  4. Step 4: Simplify right side
    335,938.40x = 50,032,380,914.88
  5. Step 5: Solve for x
    x = 50,032,380,914.88/335,938.40
  6. Step 6: Final answer
    x = 148,933.20

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1.5x scale

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.