Finding the Fourth Proportional to 229,142.93, 316,371.42 and 175,331.79
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Solution
The fourth proportional to 229,142.93, 316,371.42 and 175,331.79 is: 242,075.85
Step by Step Solution
- Step 1: Write the proportion equation
229,142.93 : 316,371.42 = 175,331.79 : x - Step 2: Convert to fraction form
229,142.93/316,371.42 = 175,331.79/x - Step 3: Cross multiply
229,142.93x = 316,371.42 × 175,331.79 - Step 4: Simplify right side
229,142.93x = 55,469,967,373.44 - Step 5: Solve for x
x = 55,469,967,373.44/229,142.93 - Step 6: Final answer
x = 242,075.85
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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.