Finding the Fourth Proportional to 354,552.08, 489,391.02 and 218,628.68
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Solution
The fourth proportional to 354,552.08, 489,391.02 and 218,628.68 is: 301,774.88
Step by Step Solution
- Step 1: Write the proportion equation
354,552.08 : 489,391.02 = 218,628.68 : x - Step 2: Convert to fraction form
354,552.08/489,391.02 = 218,628.68/x - Step 3: Cross multiply
354,552.08x = 489,391.02 × 218,628.68 - Step 4: Simplify right side
354,552.08x = 106,994,912,706.45 - Step 5: Solve for x
x = 106,994,912,706.45/354,552.08 - Step 6: Final answer
x = 301,774.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.