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Finding the Fourth Proportional to 496,485.94, 685,130.12 and 270,132.34

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Solution

The fourth proportional to 496,485.94, 685,130.12 and 270,132.34 is: 372,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,485.94 : 685,130.12 = 270,132.34 : x
  2. Step 2: Convert to fraction form
    496,485.94/685,130.12 = 270,132.34/x
  3. Step 3: Cross multiply
    496,485.94x = 685,130.12 × 270,132.34
  4. Step 4: Simplify right side
    496,485.94x = 185,075,802,520.08
  5. Step 5: Solve for x
    x = 185,075,802,520.08/496,485.94
  6. Step 6: Final answer
    x = 372,771.49

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1.5x scale

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.