Finding the Fourth Proportional to 239,343.84, 330,279.63 and 131,907.90
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Solution
The fourth proportional to 239,343.84, 330,279.63 and 131,907.90 is: 182,024.71
Step by Step Solution
- Step 1: Write the proportion equation
239,343.84 : 330,279.63 = 131,907.90 : x - Step 2: Convert to fraction form
239,343.84/330,279.63 = 131,907.90/x - Step 3: Cross multiply
239,343.84x = 330,279.63 × 131,907.90 - Step 4: Simplify right side
239,343.84x = 43,566,492,406.08 - Step 5: Solve for x
x = 43,566,492,406.08/239,343.84 - Step 6: Final answer
x = 182,024.71
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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.