Home / 307,913.40-461,934.90-97,572.60

Finding the Fourth Proportional to 307,913.40, 461,934.90 and 97,572.60

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Solution

The fourth proportional to 307,913.40, 461,934.90 and 97,572.60 is: 146,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,913.40 : 461,934.90 = 97,572.60 : x
  2. Step 2: Convert to fraction form
    307,913.40/461,934.90 = 97,572.60/x
  3. Step 3: Cross multiply
    307,913.40x = 461,934.90 × 97,572.60
  4. Step 4: Simplify right side
    307,913.40x = 45,072,189,223.74
  5. Step 5: Solve for x
    x = 45,072,189,223.74/307,913.40
  6. Step 6: Final answer
    x = 146,379.43

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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.