Finding the Fourth Proportional to 212,700.84, 293,533.44 and 117,213.66
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Solution
The fourth proportional to 212,700.84, 293,533.44 and 117,213.66 is: 161,758.31
Step by Step Solution
- Step 1: Write the proportion equation
212,700.84 : 293,533.44 = 117,213.66 : x - Step 2: Convert to fraction form
212,700.84/293,533.44 = 117,213.66/x - Step 3: Cross multiply
212,700.84x = 293,533.44 × 117,213.66 - Step 4: Simplify right side
212,700.84x = 34,406,128,834.79 - Step 5: Solve for x
x = 34,406,128,834.79/212,700.84 - Step 6: Final answer
x = 161,758.31
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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.