Finding the Fourth Proportional to 354,588.68, 489,322.68 and 193,443.68
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Solution
The fourth proportional to 354,588.68, 489,322.68 and 193,443.68 is: 266,946.98
Step by Step Solution
- Step 1: Write the proportion equation
354,588.68 : 489,322.68 = 193,443.68 : x - Step 2: Convert to fraction form
354,588.68/489,322.68 = 193,443.68/x - Step 3: Cross multiply
354,588.68x = 489,322.68 × 193,443.68 - Step 4: Simplify right side
354,588.68x = 94,656,377,480.05 - Step 5: Solve for x
x = 94,656,377,480.05/354,588.68 - Step 6: Final answer
x = 266,946.98
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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.