Finding the Fourth Proportional to 504,156.21, 695,726.56 and 274,715.49
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Solution
The fourth proportional to 504,156.21, 695,726.56 and 274,715.49 is: 379,102.46
Step by Step Solution
- Step 1: Write the proportion equation
504,156.21 : 695,726.56 = 274,715.49 : x - Step 2: Convert to fraction form
504,156.21/695,726.56 = 274,715.49/x - Step 3: Cross multiply
504,156.21x = 695,726.56 × 274,715.49 - Step 4: Simplify right side
504,156.21x = 191,126,858,670.99 - Step 5: Solve for x
x = 191,126,858,670.99/504,156.21 - Step 6: Final answer
x = 379,102.46
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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.