Finding the Fourth Proportional to 212,588.51, 293,385.45 and 117,095.18
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Solution
The fourth proportional to 212,588.51, 293,385.45 and 117,095.18 is: 161,598.68
Step by Step Solution
- Step 1: Write the proportion equation
212,588.51 : 293,385.45 = 117,095.18 : x - Step 2: Convert to fraction form
212,588.51/293,385.45 = 117,095.18/x - Step 3: Cross multiply
212,588.51x = 293,385.45 × 117,095.18 - Step 4: Simplify right side
212,588.51x = 34,354,022,077.13 - Step 5: Solve for x
x = 34,354,022,077.13/212,588.51 - Step 6: Final answer
x = 161,598.68
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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.