Finding the Fourth Proportional to 354,614.60, 489,351.06 and 193,460.06
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Solution
The fourth proportional to 354,614.60, 489,351.06 and 193,460.06 is: 266,965.56
Step by Step Solution
- Step 1: Write the proportion equation
354,614.60 : 489,351.06 = 193,460.06 : x - Step 2: Convert to fraction form
354,614.60/489,351.06 = 193,460.06/x - Step 3: Cross multiply
354,614.60x = 489,351.06 × 193,460.06 - Step 4: Simplify right side
354,614.60x = 94,669,882,981.91 - Step 5: Solve for x
x = 94,669,882,981.91/354,614.60 - Step 6: Final answer
x = 266,965.56
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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.