Finding the Fourth Proportional to 212,703.84, 293,537.58 and 117,216.66
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Solution
The fourth proportional to 212,703.84, 293,537.58 and 117,216.66 is: 161,762.45
Step by Step Solution
- Step 1: Write the proportion equation
212,703.84 : 293,537.58 = 117,216.66 : x - Step 2: Convert to fraction form
212,703.84/293,537.58 = 117,216.66/x - Step 3: Cross multiply
212,703.84x = 293,537.58 × 117,216.66 - Step 4: Simplify right side
212,703.84x = 34,407,494,712.08 - Step 5: Solve for x
x = 34,407,494,712.08/212,703.84 - Step 6: Final answer
x = 161,762.45
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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.