Finding the Fourth Proportional to 212,991.84, 293,934.24 and 117,499.68
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Solution
The fourth proportional to 212,991.84, 293,934.24 and 117,499.68 is: 162,152.59
Step by Step Solution
- Step 1: Write the proportion equation
212,991.84 : 293,934.24 = 117,499.68 : x - Step 2: Convert to fraction form
212,991.84/293,934.24 = 117,499.68/x - Step 3: Cross multiply
212,991.84x = 293,934.24 × 117,499.68 - Step 4: Simplify right side
212,991.84x = 34,537,179,141.04 - Step 5: Solve for x
x = 34,537,179,141.04/212,991.84 - Step 6: Final answer
x = 162,152.59
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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.