Home / 307,775.12-462,173.29-190,193.81

Finding the Fourth Proportional to 307,775.12, 462,173.29 and 190,193.81

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Solution

The fourth proportional to 307,775.12, 462,173.29 and 190,193.81 is: 285,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,775.12 : 462,173.29 = 190,193.81 : x
  2. Step 2: Convert to fraction form
    307,775.12/462,173.29 = 190,193.81/x
  3. Step 3: Cross multiply
    307,775.12x = 462,173.29 × 190,193.81
  4. Step 4: Simplify right side
    307,775.12x = 87,902,496,118.98
  5. Step 5: Solve for x
    x = 87,902,496,118.98/307,775.12
  6. Step 6: Final answer
    x = 285,606.25

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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.