Home / 307,623.20-461,434.80-245,415.20

Finding the Fourth Proportional to 307,623.20, 461,434.80 and 245,415.20

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Solution

The fourth proportional to 307,623.20, 461,434.80 and 245,415.20 is: 368,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,623.20 : 461,434.80 = 245,415.20 : x
  2. Step 2: Convert to fraction form
    307,623.20/461,434.80 = 245,415.20/x
  3. Step 3: Cross multiply
    307,623.20x = 461,434.80 × 245,415.20
  4. Step 4: Simplify right side
    307,623.20x = 113,243,113,728.96
  5. Step 5: Solve for x
    x = 113,243,113,728.96/307,623.20
  6. Step 6: Final answer
    x = 368,122.80

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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.