Finding the Fourth Proportional to 199,771.95, 299,655.87 and 115,478.48
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Solution
The fourth proportional to 199,771.95, 299,655.87 and 115,478.48 is: 173,216.53
Step by Step Solution
- Step 1: Write the proportion equation
199,771.95 : 299,655.87 = 115,478.48 : x - Step 2: Convert to fraction form
199,771.95/299,655.87 = 115,478.48/x - Step 3: Cross multiply
199,771.95x = 299,655.87 × 115,478.48 - Step 4: Simplify right side
199,771.95x = 34,603,804,390.68 - Step 5: Solve for x
x = 34,603,804,390.68/199,771.95 - Step 6: Final answer
x = 173,216.53
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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.