Home / 307,245.44-423,996.96-171,280.50

Finding the Fourth Proportional to 307,245.44, 423,996.96 and 171,280.50

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Solution

The fourth proportional to 307,245.44, 423,996.96 and 171,280.50 is: 236,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,245.44 : 423,996.96 = 171,280.50 : x
  2. Step 2: Convert to fraction form
    307,245.44/423,996.96 = 171,280.50/x
  3. Step 3: Cross multiply
    307,245.44x = 423,996.96 × 171,280.50
  4. Step 4: Simplify right side
    307,245.44x = 72,622,411,307.28
  5. Step 5: Solve for x
    x = 72,622,411,307.28/307,245.44
  6. Step 6: Final answer
    x = 236,366.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.