Home / 307,727.78-461,241.74-130,123.94

Finding the Fourth Proportional to 307,727.78, 461,241.74 and 130,123.94

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Solution

The fourth proportional to 307,727.78, 461,241.74 and 130,123.94 is: 195,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,727.78 : 461,241.74 = 130,123.94 : x
  2. Step 2: Convert to fraction form
    307,727.78/461,241.74 = 130,123.94/x
  3. Step 3: Cross multiply
    307,727.78x = 461,241.74 × 130,123.94
  4. Step 4: Simplify right side
    307,727.78x = 60,018,592,501.26
  5. Step 5: Solve for x
    x = 60,018,592,501.26/307,727.78
  6. Step 6: Final answer
    x = 195,037.94

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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.