Home / 307,545.20-461,390.70-157,808.60

Finding the Fourth Proportional to 307,545.20, 461,390.70 and 157,808.60

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Solution

The fourth proportional to 307,545.20, 461,390.70 and 157,808.60 is: 236,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,545.20 : 461,390.70 = 157,808.60 : x
  2. Step 2: Convert to fraction form
    307,545.20/461,390.70 = 157,808.60/x
  3. Step 3: Cross multiply
    307,545.20x = 461,390.70 × 157,808.60
  4. Step 4: Simplify right side
    307,545.20x = 72,811,420,420.02
  5. Step 5: Solve for x
    x = 72,811,420,420.02/307,545.20
  6. Step 6: Final answer
    x = 236,750.31

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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.