Finding the Fourth Proportional to 250,858.75, 346,185.08 and 137,688.79
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Solution
The fourth proportional to 250,858.75, 346,185.08 and 137,688.79 is: 190,010.53
Step by Step Solution
- Step 1: Write the proportion equation
250,858.75 : 346,185.08 = 137,688.79 : x - Step 2: Convert to fraction form
250,858.75/346,185.08 = 137,688.79/x - Step 3: Cross multiply
250,858.75x = 346,185.08 × 137,688.79 - Step 4: Simplify right side
250,858.75x = 47,665,804,781.25 - Step 5: Solve for x
x = 47,665,804,781.25/250,858.75 - Step 6: Final answer
x = 190,010.53
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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.