Finding the Fourth Proportional to 681,219.24, 940,156.43 and 375,326.99
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Solution
The fourth proportional to 681,219.24, 940,156.43 and 375,326.99 is: 517,991.95
Step by Step Solution
- Step 1: Write the proportion equation
681,219.24 : 940,156.43 = 375,326.99 : x - Step 2: Convert to fraction form
681,219.24/940,156.43 = 375,326.99/x - Step 3: Cross multiply
681,219.24x = 940,156.43 × 375,326.99 - Step 4: Simplify right side
681,219.24x = 352,866,083,001.05 - Step 5: Solve for x
x = 352,866,083,001.05/681,219.24 - Step 6: Final answer
x = 517,991.95
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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.