Finding the Fourth Proportional to 210,101.16, 289,941.68 and 114,609.84
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Solution
The fourth proportional to 210,101.16, 289,941.68 and 114,609.84 is: 158,162.71
Step by Step Solution
- Step 1: Write the proportion equation
210,101.16 : 289,941.68 = 114,609.84 : x - Step 2: Convert to fraction form
210,101.16/289,941.68 = 114,609.84/x - Step 3: Cross multiply
210,101.16x = 289,941.68 × 114,609.84 - Step 4: Simplify right side
210,101.16x = 33,230,169,554.13 - Step 5: Solve for x
x = 33,230,169,554.13/210,101.16 - Step 6: Final answer
x = 158,162.71
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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.