Finding the Fourth Proportional to 578,258.28, 867,220.92 and 199,163.70
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Solution
The fourth proportional to 578,258.28, 867,220.92 and 199,163.70 is: 298,688.20
Step by Step Solution
- Step 1: Write the proportion equation
578,258.28 : 867,220.92 = 199,163.70 : x - Step 2: Convert to fraction form
578,258.28/867,220.92 = 199,163.70/x - Step 3: Cross multiply
578,258.28x = 867,220.92 × 199,163.70 - Step 4: Simplify right side
578,258.28x = 172,718,927,144.60 - Step 5: Solve for x
x = 172,718,927,144.60/578,258.28 - Step 6: Final answer
x = 298,688.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.