Home / 307,913.90-462,216.45-238,102.70

Finding the Fourth Proportional to 307,913.90, 462,216.45 and 238,102.70

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Solution

The fourth proportional to 307,913.90, 462,216.45 and 238,102.70 is: 357,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,913.90 : 462,216.45 = 238,102.70 : x
  2. Step 2: Convert to fraction form
    307,913.90/462,216.45 = 238,102.70/x
  3. Step 3: Cross multiply
    307,913.90x = 462,216.45 × 238,102.70
  4. Step 4: Simplify right side
    307,913.90x = 110,054,984,729.42
  5. Step 5: Solve for x
    x = 110,054,984,729.42/307,913.90
  6. Step 6: Final answer
    x = 357,421.29

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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.