Finding the Fourth Proportional to 298,804.80, 412,345.12 and 162,839.84
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Solution
The fourth proportional to 298,804.80, 412,345.12 and 162,839.84 is: 224,715.98
Step by Step Solution
- Step 1: Write the proportion equation
298,804.80 : 412,345.12 = 162,839.84 : x - Step 2: Convert to fraction form
298,804.80/412,345.12 = 162,839.84/x - Step 3: Cross multiply
298,804.80x = 412,345.12 × 162,839.84 - Step 4: Simplify right side
298,804.80x = 67,146,213,365.58 - Step 5: Solve for x
x = 67,146,213,365.58/298,804.80 - Step 6: Final answer
x = 224,715.98
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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.