Home / 328,923.63-492,498.35-214,788.71

Finding the Fourth Proportional to 328,923.63, 492,498.35 and 214,788.71

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Solution

The fourth proportional to 328,923.63, 492,498.35 and 214,788.71 is: 321,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,923.63 : 492,498.35 = 214,788.71 : x
  2. Step 2: Convert to fraction form
    328,923.63/492,498.35 = 214,788.71/x
  3. Step 3: Cross multiply
    328,923.63x = 492,498.35 × 214,788.71
  4. Step 4: Simplify right side
    328,923.63x = 105,783,081,737.19
  5. Step 5: Solve for x
    x = 105,783,081,737.19/328,923.63
  6. Step 6: Final answer
    x = 321,603.78

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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.