Finding the Fourth Proportional to 212,402.98, 293,116.19 and 116,908.99
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Solution
The fourth proportional to 212,402.98, 293,116.19 and 116,908.99 is: 161,334.45
Step by Step Solution
- Step 1: Write the proportion equation
212,402.98 : 293,116.19 = 116,908.99 : x - Step 2: Convert to fraction form
212,402.98/293,116.19 = 116,908.99/x - Step 3: Cross multiply
212,402.98x = 293,116.19 × 116,908.99 - Step 4: Simplify right side
212,402.98x = 34,267,917,725.55 - Step 5: Solve for x
x = 34,267,917,725.55/212,402.98 - Step 6: Final answer
x = 161,334.45
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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.