Finding the Fourth Proportional to 250,215.08, 345,283.96 and 137,015.96
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Solution
The fourth proportional to 250,215.08, 345,283.96 and 137,015.96 is: 189,074.99
Step by Step Solution
- Step 1: Write the proportion equation
250,215.08 : 345,283.96 = 137,015.96 : x - Step 2: Convert to fraction form
250,215.08/345,283.96 = 137,015.96/x - Step 3: Cross multiply
250,215.08x = 345,283.96 × 137,015.96 - Step 4: Simplify right side
250,215.08x = 47,309,413,252.00 - Step 5: Solve for x
x = 47,309,413,252.00/250,215.08 - Step 6: Final answer
x = 189,074.99
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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.