Finding the Fourth Proportional to 208,045.80, 312,176.70 and 97,237.80
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Solution
The fourth proportional to 208,045.80, 312,176.70 and 97,237.80 is: 145,907.18
Step by Step Solution
- Step 1: Write the proportion equation
208,045.80 : 312,176.70 = 97,237.80 : x - Step 2: Convert to fraction form
208,045.80/312,176.70 = 97,237.80/x - Step 3: Cross multiply
208,045.80x = 312,176.70 × 97,237.80 - Step 4: Simplify right side
208,045.80x = 30,355,375,519.26 - Step 5: Solve for x
x = 30,355,375,519.26/208,045.80 - Step 6: Final answer
x = 145,907.18
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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.