Finding the Fourth Proportional to 228,449.16, 315,426.15 and 183,375.09
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Solution
The fourth proportional to 228,449.16, 315,426.15 and 183,375.09 is: 253,191.12
Step by Step Solution
- Step 1: Write the proportion equation
228,449.16 : 315,426.15 = 183,375.09 : x - Step 2: Convert to fraction form
228,449.16/315,426.15 = 183,375.09/x - Step 3: Cross multiply
228,449.16x = 315,426.15 × 183,375.09 - Step 4: Simplify right side
228,449.16x = 57,841,298,644.60 - Step 5: Solve for x
x = 57,841,298,644.60/228,449.16 - Step 6: Final answer
x = 253,191.12
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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.