Home / 307,518.87-461,297.73-130,002.51

Finding the Fourth Proportional to 307,518.87, 461,297.73 and 130,002.51

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Solution

The fourth proportional to 307,518.87, 461,297.73 and 130,002.51 is: 195,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,518.87 : 461,297.73 = 130,002.51 : x
  2. Step 2: Convert to fraction form
    307,518.87/461,297.73 = 130,002.51/x
  3. Step 3: Cross multiply
    307,518.87x = 461,297.73 × 130,002.51
  4. Step 4: Simplify right side
    307,518.87x = 59,969,862,757.30
  5. Step 5: Solve for x
    x = 59,969,862,757.30/307,518.87
  6. Step 6: Final answer
    x = 195,011.98

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1.5x scale

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.