Finding the Fourth Proportional to 153,843.36, 230,763.18 and 39,981.08
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Solution
The fourth proportional to 153,843.36, 230,763.18 and 39,981.08 is: 59,971.14
Step by Step Solution
- Step 1: Write the proportion equation
153,843.36 : 230,763.18 = 39,981.08 : x - Step 2: Convert to fraction form
153,843.36/230,763.18 = 39,981.08/x - Step 3: Cross multiply
153,843.36x = 230,763.18 × 39,981.08 - Step 4: Simplify right side
153,843.36x = 9,226,161,160.63 - Step 5: Solve for x
x = 9,226,161,160.63/153,843.36 - Step 6: Final answer
x = 59,971.14
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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.