Finding the Fourth Proportional to 302,115.16, 453,143.32 and 91,754.92
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Solution
The fourth proportional to 302,115.16, 453,143.32 and 91,754.92 is: 137,623.44
Step by Step Solution
- Step 1: Write the proportion equation
302,115.16 : 453,143.32 = 91,754.92 : x - Step 2: Convert to fraction form
302,115.16/453,143.32 = 91,754.92/x - Step 3: Cross multiply
302,115.16x = 453,143.32 × 91,754.92 - Step 4: Simplify right side
302,115.16x = 41,578,129,075.13 - Step 5: Solve for x
x = 41,578,129,075.13/302,115.16 - Step 6: Final answer
x = 137,623.44
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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.