Finding the Fourth Proportional to 149,969.67, 224,909.07 and 78,853.99
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Solution
The fourth proportional to 149,969.67, 224,909.07 and 78,853.99 is: 118,257.10
Step by Step Solution
- Step 1: Write the proportion equation
149,969.67 : 224,909.07 = 78,853.99 : x - Step 2: Convert to fraction form
149,969.67/224,909.07 = 78,853.99/x - Step 3: Cross multiply
149,969.67x = 224,909.07 × 78,853.99 - Step 4: Simplify right side
149,969.67x = 17,734,977,556.69 - Step 5: Solve for x
x = 17,734,977,556.69/149,969.67 - Step 6: Final answer
x = 118,257.10
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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.