Finding the Fourth Proportional to 249,787.69, 344,706.77 and 135,066.06
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Solution
The fourth proportional to 249,787.69, 344,706.77 and 135,066.06 is: 186,391.03
Step by Step Solution
- Step 1: Write the proportion equation
249,787.69 : 344,706.77 = 135,066.06 : x - Step 2: Convert to fraction form
249,787.69/344,706.77 = 135,066.06/x - Step 3: Cross multiply
249,787.69x = 344,706.77 × 135,066.06 - Step 4: Simplify right side
249,787.69x = 46,558,185,279.23 - Step 5: Solve for x
x = 46,558,185,279.23/249,787.69 - Step 6: Final answer
x = 186,391.03
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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.