Finding the Fourth Proportional to 272,466.09, 376,188.57 and 170,532.72
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Solution
The fourth proportional to 272,466.09, 376,188.57 and 170,532.72 is: 235,451.17
Step by Step Solution
- Step 1: Write the proportion equation
272,466.09 : 376,188.57 = 170,532.72 : x - Step 2: Convert to fraction form
272,466.09/376,188.57 = 170,532.72/x - Step 3: Cross multiply
272,466.09x = 376,188.57 × 170,532.72 - Step 4: Simplify right side
272,466.09x = 64,152,460,075.01 - Step 5: Solve for x
x = 64,152,460,075.01/272,466.09 - Step 6: Final answer
x = 235,451.17
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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.