Finding the Fourth Proportional to 216,369.14, 324,553.71 and 83,312.06
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Solution
The fourth proportional to 216,369.14, 324,553.71 and 83,312.06 is: 124,968.09
Step by Step Solution
- Step 1: Write the proportion equation
216,369.14 : 324,553.71 = 83,312.06 : x - Step 2: Convert to fraction form
216,369.14/324,553.71 = 83,312.06/x - Step 3: Cross multiply
216,369.14x = 324,553.71 × 83,312.06 - Step 4: Simplify right side
216,369.14x = 27,039,238,160.74 - Step 5: Solve for x
x = 27,039,238,160.74/216,369.14 - Step 6: Final answer
x = 124,968.09
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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.