Finding the Fourth Proportional to 229,603.69, 316,872.71 and 127,648.99
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Solution
The fourth proportional to 229,603.69, 316,872.71 and 127,648.99 is: 176,166.51
Step by Step Solution
- Step 1: Write the proportion equation
229,603.69 : 316,872.71 = 127,648.99 : x - Step 2: Convert to fraction form
229,603.69/316,872.71 = 127,648.99/x - Step 3: Cross multiply
229,603.69x = 316,872.71 × 127,648.99 - Step 4: Simplify right side
229,603.69x = 40,448,481,390.06 - Step 5: Solve for x
x = 40,448,481,390.06/229,603.69 - Step 6: Final answer
x = 176,166.51
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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.