Finding the Fourth Proportional to 112,225.08, 168,338.70 and 29,119.08
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Solution
The fourth proportional to 112,225.08, 168,338.70 and 29,119.08 is: 43,678.90
Step by Step Solution
- Step 1: Write the proportion equation
112,225.08 : 168,338.70 = 29,119.08 : x - Step 2: Convert to fraction form
112,225.08/168,338.70 = 29,119.08/x - Step 3: Cross multiply
112,225.08x = 168,338.70 × 29,119.08 - Step 4: Simplify right side
112,225.08x = 4,901,868,072.40 - Step 5: Solve for x
x = 4,901,868,072.40/112,225.08 - Step 6: Final answer
x = 43,678.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.