Home / 436,704.36-602,669.70-243,120

Finding the Fourth Proportional to 436,704.36, 602,669.70 and 243,120

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Solution

The fourth proportional to 436,704.36, 602,669.70 and 243,120 is: 335,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,704.36 : 602,669.70 = 243,120 : x
  2. Step 2: Convert to fraction form
    436,704.36/602,669.70 = 243,120/x
  3. Step 3: Cross multiply
    436,704.36x = 602,669.70 × 243,120
  4. Step 4: Simplify right side
    436,704.36x = 146,521,057,464
  5. Step 5: Solve for x
    x = 146,521,057,464/436,704.36
  6. Step 6: Final answer
    x = 335,515.44

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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.