Finding the Fourth Proportional to 211,678.08, 317,471.04 and 106,385.28
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Solution
The fourth proportional to 211,678.08, 317,471.04 and 106,385.28 is: 159,554.76
Step by Step Solution
- Step 1: Write the proportion equation
211,678.08 : 317,471.04 = 106,385.28 : x - Step 2: Convert to fraction form
211,678.08/317,471.04 = 106,385.28/x - Step 3: Cross multiply
211,678.08x = 317,471.04 × 106,385.28 - Step 4: Simplify right side
211,678.08x = 33,774,245,482.29 - Step 5: Solve for x
x = 33,774,245,482.29/211,678.08 - Step 6: Final answer
x = 159,554.76
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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.