Finding the Fourth Proportional to 354,611.48, 489,363.14 and 193,466.63
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Solution
The fourth proportional to 354,611.48, 489,363.14 and 193,466.63 is: 266,983.57
Step by Step Solution
- Step 1: Write the proportion equation
354,611.48 : 489,363.14 = 193,466.63 : x - Step 2: Convert to fraction form
354,611.48/489,363.14 = 193,466.63/x - Step 3: Cross multiply
354,611.48x = 489,363.14 × 193,466.63 - Step 4: Simplify right side
354,611.48x = 94,675,439,249.09 - Step 5: Solve for x
x = 94,675,439,249.09/354,611.48 - Step 6: Final answer
x = 266,983.57
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1.5x scale
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.