Home / 229,984.99-317,363.40-143,940.35

Finding the Fourth Proportional to 229,984.99, 317,363.40 and 143,940.35

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Solution

The fourth proportional to 229,984.99, 317,363.40 and 143,940.35 is: 198,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.99 : 317,363.40 = 143,940.35 : x
  2. Step 2: Convert to fraction form
    229,984.99/317,363.40 = 143,940.35/x
  3. Step 3: Cross multiply
    229,984.99x = 317,363.40 × 143,940.35
  4. Step 4: Simplify right side
    229,984.99x = 45,681,399,666.60
  5. Step 5: Solve for x
    x = 45,681,399,666.60/229,984.99
  6. Step 6: Final answer
    x = 198,627.75

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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.