Finding the Fourth Proportional to 190,916.74, 263,449.68 and 110,349.48
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Solution
The fourth proportional to 190,916.74, 263,449.68 and 110,349.48 is: 152,273.37
Step by Step Solution
- Step 1: Write the proportion equation
190,916.74 : 263,449.68 = 110,349.48 : x - Step 2: Convert to fraction form
190,916.74/263,449.68 = 110,349.48/x - Step 3: Cross multiply
190,916.74x = 263,449.68 × 110,349.48 - Step 4: Simplify right side
190,916.74x = 29,071,535,194.17 - Step 5: Solve for x
x = 29,071,535,194.17/190,916.74 - Step 6: Final answer
x = 152,273.37
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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.