Home / 436,208.80-654,313.20-310,237.60

Finding the Fourth Proportional to 436,208.80, 654,313.20 and 310,237.60

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Solution

The fourth proportional to 436,208.80, 654,313.20 and 310,237.60 is: 465,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,208.80 : 654,313.20 = 310,237.60 : x
  2. Step 2: Convert to fraction form
    436,208.80/654,313.20 = 310,237.60/x
  3. Step 3: Cross multiply
    436,208.80x = 654,313.20 × 310,237.60
  4. Step 4: Simplify right side
    436,208.80x = 202,992,556,816.32
  5. Step 5: Solve for x
    x = 202,992,556,816.32/436,208.80
  6. Step 6: Final answer
    x = 465,356.40

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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.