Finding the Fourth Proportional to 372,990.94, 514,727.49 and 203,225.06
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Solution
The fourth proportional to 372,990.94, 514,727.49 and 203,225.06 is: 280,450.59
Step by Step Solution
- Step 1: Write the proportion equation
372,990.94 : 514,727.49 = 203,225.06 : x - Step 2: Convert to fraction form
372,990.94/514,727.49 = 203,225.06/x - Step 3: Cross multiply
372,990.94x = 514,727.49 × 203,225.06 - Step 4: Simplify right side
372,990.94x = 104,605,527,087.81 - Step 5: Solve for x
x = 104,605,527,087.81/372,990.94 - Step 6: Final answer
x = 280,450.59
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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.