Finding the Fourth Proportional to 212,783.99, 293,643.90 and 117,294.12
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Solution
The fourth proportional to 212,783.99, 293,643.90 and 117,294.12 is: 161,866.99
Step by Step Solution
- Step 1: Write the proportion equation
212,783.99 : 293,643.90 = 117,294.12 : x - Step 2: Convert to fraction form
212,783.99/293,643.90 = 117,294.12/x - Step 3: Cross multiply
212,783.99x = 293,643.90 × 117,294.12 - Step 4: Simplify right side
212,783.99x = 34,442,702,843.87 - Step 5: Solve for x
x = 34,442,702,843.87/212,783.99 - Step 6: Final answer
x = 161,866.99
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1.5x scale
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.