Finding the Fourth Proportional to 399,497.73, 551,505.71 and 246,620.19
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Solution
The fourth proportional to 399,497.73, 551,505.71 and 246,620.19 is: 340,458.61
Step by Step Solution
- Step 1: Write the proportion equation
399,497.73 : 551,505.71 = 246,620.19 : x - Step 2: Convert to fraction form
399,497.73/551,505.71 = 246,620.19/x - Step 3: Cross multiply
399,497.73x = 551,505.71 × 246,620.19 - Step 4: Simplify right side
399,497.73x = 136,012,441,753.18 - Step 5: Solve for x
x = 136,012,441,753.18/399,497.73 - Step 6: Final answer
x = 340,458.61
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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.