Home / 315,966.86-435,927.81-179,904.58

Finding the Fourth Proportional to 315,966.86, 435,927.81 and 179,904.58

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Solution

The fourth proportional to 315,966.86, 435,927.81 and 179,904.58 is: 248,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,966.86 : 435,927.81 = 179,904.58 : x
  2. Step 2: Convert to fraction form
    315,966.86/435,927.81 = 179,904.58/x
  3. Step 3: Cross multiply
    315,966.86x = 435,927.81 × 179,904.58
  4. Step 4: Simplify right side
    315,966.86x = 78,425,409,568.37
  5. Step 5: Solve for x
    x = 78,425,409,568.37/315,966.86
  6. Step 6: Final answer
    x = 248,207.71

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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.