Home / 389,268.18-536,887.85-245,975.94

Finding the Fourth Proportional to 389,268.18, 536,887.85 and 245,975.94

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Solution

The fourth proportional to 389,268.18, 536,887.85 and 245,975.94 is: 339,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,268.18 : 536,887.85 = 245,975.94 : x
  2. Step 2: Convert to fraction form
    389,268.18/536,887.85 = 245,975.94/x
  3. Step 3: Cross multiply
    389,268.18x = 536,887.85 × 245,975.94
  4. Step 4: Simplify right side
    389,268.18x = 132,061,492,348.45
  5. Step 5: Solve for x
    x = 132,061,492,348.45/389,268.18
  6. Step 6: Final answer
    x = 339,255.81

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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.