Finding the Fourth Proportional to 351,021.59, 484,368.06 and 198,050.99
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Solution
The fourth proportional to 351,021.59, 484,368.06 and 198,050.99 is: 273,286.82
Step by Step Solution
- Step 1: Write the proportion equation
351,021.59 : 484,368.06 = 198,050.99 : x - Step 2: Convert to fraction form
351,021.59/484,368.06 = 198,050.99/x - Step 3: Cross multiply
351,021.59x = 484,368.06 × 198,050.99 - Step 4: Simplify right side
351,021.59x = 95,929,573,807.38 - Step 5: Solve for x
x = 95,929,573,807.38/351,021.59 - Step 6: Final answer
x = 273,286.82
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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.