Finding the Fourth Proportional to 385,269.08, 531,671.97 and 213,194.29
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Solution
The fourth proportional to 385,269.08, 531,671.97 and 213,194.29 is: 294,208.47
Step by Step Solution
- Step 1: Write the proportion equation
385,269.08 : 531,671.97 = 213,194.29 : x - Step 2: Convert to fraction form
385,269.08/531,671.97 = 213,194.29/x - Step 3: Cross multiply
385,269.08x = 531,671.97 × 213,194.29 - Step 4: Simplify right side
385,269.08x = 113,349,426,294.89 - Step 5: Solve for x
x = 113,349,426,294.89/385,269.08 - Step 6: Final answer
x = 294,208.47
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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.