Home / 307,811.21-424,786.61-193,094.68

Finding the Fourth Proportional to 307,811.21, 424,786.61 and 193,094.68

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Solution

The fourth proportional to 307,811.21, 424,786.61 and 193,094.68 is: 266,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,811.21 : 424,786.61 = 193,094.68 : x
  2. Step 2: Convert to fraction form
    307,811.21/424,786.61 = 193,094.68/x
  3. Step 3: Cross multiply
    307,811.21x = 424,786.61 × 193,094.68
  4. Step 4: Simplify right side
    307,811.21x = 82,024,033,657.32
  5. Step 5: Solve for x
    x = 82,024,033,657.32/307,811.21
  6. Step 6: Final answer
    x = 266,475.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.