Home / 229,985.99-317,364.78-143,941.35

Finding the Fourth Proportional to 229,985.99, 317,364.78 and 143,941.35

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Solution

The fourth proportional to 229,985.99, 317,364.78 and 143,941.35 is: 198,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,985.99 : 317,364.78 = 143,941.35 : x
  2. Step 2: Convert to fraction form
    229,985.99/317,364.78 = 143,941.35/x
  3. Step 3: Cross multiply
    229,985.99x = 317,364.78 × 143,941.35
  4. Step 4: Simplify right side
    229,985.99x = 45,681,914,875.65
  5. Step 5: Solve for x
    x = 45,681,914,875.65/229,985.99
  6. Step 6: Final answer
    x = 198,629.12

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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.