Home / 307,579.20-461,441.70-157,842.60

Finding the Fourth Proportional to 307,579.20, 461,441.70 and 157,842.60

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Solution

The fourth proportional to 307,579.20, 461,441.70 and 157,842.60 is: 236,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,579.20 : 461,441.70 = 157,842.60 : x
  2. Step 2: Convert to fraction form
    307,579.20/461,441.70 = 157,842.60/x
  3. Step 3: Cross multiply
    307,579.20x = 461,441.70 × 157,842.60
  4. Step 4: Simplify right side
    307,579.20x = 72,835,157,676.42
  5. Step 5: Solve for x
    x = 72,835,157,676.42/307,579.20
  6. Step 6: Final answer
    x = 236,801.31

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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.