Finding the Fourth Proportional to 124,252.31, 186,378.47 and 30,758.06
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Solution
The fourth proportional to 124,252.31, 186,378.47 and 30,758.06 is: 46,137.09
Step by Step Solution
- Step 1: Write the proportion equation
124,252.31 : 186,378.47 = 30,758.06 : x - Step 2: Convert to fraction form
124,252.31/186,378.47 = 30,758.06/x - Step 3: Cross multiply
124,252.31x = 186,378.47 × 30,758.06 - Step 4: Simplify right side
124,252.31x = 5,732,640,590.47 - Step 5: Solve for x
x = 5,732,640,590.47/124,252.31 - Step 6: Final answer
x = 46,137.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.