Home / 436,960.98-655,477.06-121,417.92

Finding the Fourth Proportional to 436,960.98, 655,477.06 and 121,417.92

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Solution

The fourth proportional to 436,960.98, 655,477.06 and 121,417.92 is: 182,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,960.98 : 655,477.06 = 121,417.92 : x
  2. Step 2: Convert to fraction form
    436,960.98/655,477.06 = 121,417.92/x
  3. Step 3: Cross multiply
    436,960.98x = 655,477.06 × 121,417.92
  4. Step 4: Simplify right side
    436,960.98x = 79,586,661,232.92
  5. Step 5: Solve for x
    x = 79,586,661,232.92/436,960.98
  6. Step 6: Final answer
    x = 182,136.77

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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.