Finding the Fourth Proportional to 351,972.05, 528,056.46 and 115,480.80
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Solution
The fourth proportional to 351,972.05, 528,056.46 and 115,480.80 is: 173,253.48
Step by Step Solution
- Step 1: Write the proportion equation
351,972.05 : 528,056.46 = 115,480.80 : x - Step 2: Convert to fraction form
351,972.05/528,056.46 = 115,480.80/x - Step 3: Cross multiply
351,972.05x = 528,056.46 × 115,480.80 - Step 4: Simplify right side
351,972.05x = 60,980,382,445.97 - Step 5: Solve for x
x = 60,980,382,445.97/351,972.05 - Step 6: Final answer
x = 173,253.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.