Home / 316,009.24-436,099.62-188,661.04

Finding the Fourth Proportional to 316,009.24, 436,099.62 and 188,661.04

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Solution

The fourth proportional to 316,009.24, 436,099.62 and 188,661.04 is: 260,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,009.24 : 436,099.62 = 188,661.04 : x
  2. Step 2: Convert to fraction form
    316,009.24/436,099.62 = 188,661.04/x
  3. Step 3: Cross multiply
    316,009.24x = 436,099.62 × 188,661.04
  4. Step 4: Simplify right side
    316,009.24x = 82,275,007,852.80
  5. Step 5: Solve for x
    x = 82,275,007,852.80/316,009.24
  6. Step 6: Final answer
    x = 260,356.34

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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.