Home / 308,960.19-463,514.27-128,945.52

Finding the Fourth Proportional to 308,960.19, 463,514.27 and 128,945.52

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Solution

The fourth proportional to 308,960.19, 463,514.27 and 128,945.52 is: 193,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,960.19 : 463,514.27 = 128,945.52 : x
  2. Step 2: Convert to fraction form
    308,960.19/463,514.27 = 128,945.52/x
  3. Step 3: Cross multiply
    308,960.19x = 463,514.27 × 128,945.52
  4. Step 4: Simplify right side
    308,960.19x = 59,768,087,927.84
  5. Step 5: Solve for x
    x = 59,768,087,927.84/308,960.19
  6. Step 6: Final answer
    x = 193,449.16

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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.