Finding the Fourth Proportional to 492,356.36, 679,489.08 and 277,516.64
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Solution
The fourth proportional to 492,356.36, 679,489.08 and 277,516.64 is: 382,993.99
Step by Step Solution
- Step 1: Write the proportion equation
492,356.36 : 679,489.08 = 277,516.64 : x - Step 2: Convert to fraction form
492,356.36/679,489.08 = 277,516.64/x - Step 3: Cross multiply
492,356.36x = 679,489.08 × 277,516.64 - Step 4: Simplify right side
492,356.36x = 188,569,526,398.29 - Step 5: Solve for x
x = 188,569,526,398.29/492,356.36 - Step 6: Final answer
x = 382,993.99
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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.