Finding the Fourth Proportional to 343,528.29, 474,045.08 and 198,339.84
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Solution
The fourth proportional to 343,528.29, 474,045.08 and 198,339.84 is: 273,695.14
Step by Step Solution
- Step 1: Write the proportion equation
343,528.29 : 474,045.08 = 198,339.84 : x - Step 2: Convert to fraction form
343,528.29/474,045.08 = 198,339.84/x - Step 3: Cross multiply
343,528.29x = 474,045.08 × 198,339.84 - Step 4: Simplify right side
343,528.29x = 94,022,024,328.29 - Step 5: Solve for x
x = 94,022,024,328.29/343,528.29 - Step 6: Final answer
x = 273,695.14
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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.