Home / 505,123.13-757,809.53-150,135.67

Finding the Fourth Proportional to 505,123.13, 757,809.53 and 150,135.67

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Solution

The fourth proportional to 505,123.13, 757,809.53 and 150,135.67 is: 225,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,123.13 : 757,809.53 = 150,135.67 : x
  2. Step 2: Convert to fraction form
    505,123.13/757,809.53 = 150,135.67/x
  3. Step 3: Cross multiply
    505,123.13x = 757,809.53 × 150,135.67
  4. Step 4: Simplify right side
    505,123.13x = 113,774,237,729.89
  5. Step 5: Solve for x
    x = 113,774,237,729.89/505,123.13
  6. Step 6: Final answer
    x = 225,240.60

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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.