Finding the Fourth Proportional to 310,106.88, 427,835.52 and 175,893.12
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Solution
The fourth proportional to 310,106.88, 427,835.52 and 175,893.12 is: 242,668.99
Step by Step Solution
- Step 1: Write the proportion equation
310,106.88 : 427,835.52 = 175,893.12 : x - Step 2: Convert to fraction form
310,106.88/427,835.52 = 175,893.12/x - Step 3: Cross multiply
310,106.88x = 427,835.52 × 175,893.12 - Step 4: Simplify right side
310,106.88x = 75,253,324,459.62 - Step 5: Solve for x
x = 75,253,324,459.62/310,106.88 - Step 6: Final answer
x = 242,668.99
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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.