Finding the Fourth Proportional to 249,095.09, 343,755.18 and 135,917.84
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Solution
The fourth proportional to 249,095.09, 343,755.18 and 135,917.84 is: 187,568.77
Step by Step Solution
- Step 1: Write the proportion equation
249,095.09 : 343,755.18 = 135,917.84 : x - Step 2: Convert to fraction form
249,095.09/343,755.18 = 135,917.84/x - Step 3: Cross multiply
249,095.09x = 343,755.18 × 135,917.84 - Step 4: Simplify right side
249,095.09x = 46,722,459,835.64 - Step 5: Solve for x
x = 46,722,459,835.64/249,095.09 - Step 6: Final answer
x = 187,568.77
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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.