Finding the Fourth Proportional to 354,869.02, 489,720.36 and 227,545.12
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Solution
The fourth proportional to 354,869.02, 489,720.36 and 227,545.12 is: 314,012.98
Step by Step Solution
- Step 1: Write the proportion equation
354,869.02 : 489,720.36 = 227,545.12 : x - Step 2: Convert to fraction form
354,869.02/489,720.36 = 227,545.12/x - Step 3: Cross multiply
354,869.02x = 489,720.36 × 227,545.12 - Step 4: Simplify right side
354,869.02x = 111,433,478,082.64 - Step 5: Solve for x
x = 111,433,478,082.64/354,869.02 - Step 6: Final answer
x = 314,012.98
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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.