Finding the Fourth Proportional to 357,713.68, 493,634.64 and 202,650.52
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Solution
The fourth proportional to 357,713.68, 493,634.64 and 202,650.52 is: 279,651.92
Step by Step Solution
- Step 1: Write the proportion equation
357,713.68 : 493,634.64 = 202,650.52 : x - Step 2: Convert to fraction form
357,713.68/493,634.64 = 202,650.52/x - Step 3: Cross multiply
357,713.68x = 493,634.64 × 202,650.52 - Step 4: Simplify right side
357,713.68x = 100,035,316,486.01 - Step 5: Solve for x
x = 100,035,316,486.01/357,713.68 - Step 6: Final answer
x = 279,651.92
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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.