Home / 307,553.20-461,402.70-157,816.60

Finding the Fourth Proportional to 307,553.20, 461,402.70 and 157,816.60

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Solution

The fourth proportional to 307,553.20, 461,402.70 and 157,816.60 is: 236,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,553.20 : 461,402.70 = 157,816.60 : x
  2. Step 2: Convert to fraction form
    307,553.20/461,402.70 = 157,816.60/x
  3. Step 3: Cross multiply
    307,553.20x = 461,402.70 × 157,816.60
  4. Step 4: Simplify right side
    307,553.20x = 72,817,005,344.82
  5. Step 5: Solve for x
    x = 72,817,005,344.82/307,553.20
  6. Step 6: Final answer
    x = 236,762.31

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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.