Home / 335,935.40-503,903.10-99,285.80

Finding the Fourth Proportional to 335,935.40, 503,903.10 and 99,285.80

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Solution

The fourth proportional to 335,935.40, 503,903.10 and 99,285.80 is: 148,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,935.40 : 503,903.10 = 99,285.80 : x
  2. Step 2: Convert to fraction form
    335,935.40/503,903.10 = 99,285.80/x
  3. Step 3: Cross multiply
    335,935.40x = 503,903.10 × 99,285.80
  4. Step 4: Simplify right side
    335,935.40x = 50,030,422,405.98
  5. Step 5: Solve for x
    x = 50,030,422,405.98/335,935.40
  6. Step 6: Final answer
    x = 148,928.70

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Similar ratio
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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.