Finding the Fourth Proportional to 249,981.49, 344,974.71 and 135,260.11
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Solution
The fourth proportional to 249,981.49, 344,974.71 and 135,260.11 is: 186,659.09
Step by Step Solution
- Step 1: Write the proportion equation
249,981.49 : 344,974.71 = 135,260.11 : x - Step 2: Convert to fraction form
249,981.49/344,974.71 = 135,260.11/x - Step 3: Cross multiply
249,981.49x = 344,974.71 × 135,260.11 - Step 4: Simplify right side
249,981.49x = 46,661,317,221.82 - Step 5: Solve for x
x = 46,661,317,221.82/249,981.49 - Step 6: Final answer
x = 186,659.09
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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.