Home / 307,579.40-461,498.70-167,438.60

Finding the Fourth Proportional to 307,579.40, 461,498.70 and 167,438.60

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Solution

The fourth proportional to 307,579.40, 461,498.70 and 167,438.60 is: 251,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,579.40 : 461,498.70 = 167,438.60 : x
  2. Step 2: Convert to fraction form
    307,579.40/461,498.70 = 167,438.60/x
  3. Step 3: Cross multiply
    307,579.40x = 461,498.70 × 167,438.60
  4. Step 4: Simplify right side
    307,579.40x = 77,272,696,229.82
  5. Step 5: Solve for x
    x = 77,272,696,229.82/307,579.40
  6. Step 6: Final answer
    x = 251,228.45

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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.