Finding the Fourth Proportional to 351,465.68, 485,029.32 and 192,489.68
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Solution
The fourth proportional to 351,465.68, 485,029.32 and 192,489.68 is: 265,639.42
Step by Step Solution
- Step 1: Write the proportion equation
351,465.68 : 485,029.32 = 192,489.68 : x - Step 2: Convert to fraction form
351,465.68/485,029.32 = 192,489.68/x - Step 3: Cross multiply
351,465.68x = 485,029.32 × 192,489.68 - Step 4: Simplify right side
351,465.68x = 93,363,138,597.42 - Step 5: Solve for x
x = 93,363,138,597.42/351,465.68 - Step 6: Final answer
x = 265,639.42
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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.