Finding the Fourth Proportional to 105,595.68, 158,417.16 and 35,473.08
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Solution
The fourth proportional to 105,595.68, 158,417.16 and 35,473.08 is: 53,217.56
Step by Step Solution
- Step 1: Write the proportion equation
105,595.68 : 158,417.16 = 35,473.08 : x - Step 2: Convert to fraction form
105,595.68/158,417.16 = 35,473.08/x - Step 3: Cross multiply
105,595.68x = 158,417.16 × 35,473.08 - Step 4: Simplify right side
105,595.68x = 5,619,544,590.05 - Step 5: Solve for x
x = 5,619,544,590.05/105,595.68 - Step 6: Final answer
x = 53,217.56
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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.