Finding the Fourth Proportional to 498,341.17, 687,666.67 and 277,561.62
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Solution
The fourth proportional to 498,341.17, 687,666.67 and 277,561.62 is: 383,010.45
Step by Step Solution
- Step 1: Write the proportion equation
498,341.17 : 687,666.67 = 277,561.62 : x - Step 2: Convert to fraction form
498,341.17/687,666.67 = 277,561.62/x - Step 3: Cross multiply
498,341.17x = 687,666.67 × 277,561.62 - Step 4: Simplify right side
498,341.17x = 190,869,874,945.21 - Step 5: Solve for x
x = 190,869,874,945.21/498,341.17 - Step 6: Final answer
x = 383,010.45
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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.