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Finding the Fourth Proportional to 335,912.60, 503,868.90 and 148,924.10

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Solution

The fourth proportional to 335,912.60, 503,868.90 and 148,924.10 is: 223,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,912.60 : 503,868.90 = 148,924.10 : x
  2. Step 2: Convert to fraction form
    335,912.60/503,868.90 = 148,924.10/x
  3. Step 3: Cross multiply
    335,912.60x = 503,868.90 × 148,924.10
  4. Step 4: Simplify right side
    335,912.60x = 75,038,222,450.49
  5. Step 5: Solve for x
    x = 75,038,222,450.49/335,912.60
  6. Step 6: Final answer
    x = 223,386.15

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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.