Finding the Fourth Proportional to 149,968.67, 224,907.57 and 78,852.99
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Solution
The fourth proportional to 149,968.67, 224,907.57 and 78,852.99 is: 118,255.59
Step by Step Solution
- Step 1: Write the proportion equation
149,968.67 : 224,907.57 = 78,852.99 : x - Step 2: Convert to fraction form
149,968.67/224,907.57 = 78,852.99/x - Step 3: Cross multiply
149,968.67x = 224,907.57 × 78,852.99 - Step 4: Simplify right side
149,968.67x = 17,734,634,368.13 - Step 5: Solve for x
x = 17,734,634,368.13/149,968.67 - Step 6: Final answer
x = 118,255.59
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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.