Finding the Fourth Proportional to 306,912.15, 423,560.07 and 186,058.53
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Solution
The fourth proportional to 306,912.15, 423,560.07 and 186,058.53 is: 256,773.69
Step by Step Solution
- Step 1: Write the proportion equation
306,912.15 : 423,560.07 = 186,058.53 : x - Step 2: Convert to fraction form
306,912.15/423,560.07 = 186,058.53/x - Step 3: Cross multiply
306,912.15x = 423,560.07 × 186,058.53 - Step 4: Simplify right side
306,912.15x = 78,806,963,990.90 - Step 5: Solve for x
x = 78,806,963,990.90/306,912.15 - Step 6: Final answer
x = 256,773.69
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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.