Finding the Fourth Proportional to 443,690.68, 612,293.16 and 242,486.68
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Solution
The fourth proportional to 443,690.68, 612,293.16 and 242,486.68 is: 334,631.63
Step by Step Solution
- Step 1: Write the proportion equation
443,690.68 : 612,293.16 = 242,486.68 : x - Step 2: Convert to fraction form
443,690.68/612,293.16 = 242,486.68/x - Step 3: Cross multiply
443,690.68x = 612,293.16 × 242,486.68 - Step 4: Simplify right side
443,690.68x = 148,472,935,555.11 - Step 5: Solve for x
x = 148,472,935,555.11/443,690.68 - Step 6: Final answer
x = 334,631.63
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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.