Finding the Fourth Proportional to 437,918.96, 604,346.12 and 276,715.19
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Solution
The fourth proportional to 437,918.96, 604,346.12 and 276,715.19 is: 381,878.30
Step by Step Solution
- Step 1: Write the proportion equation
437,918.96 : 604,346.12 = 276,715.19 : x - Step 2: Convert to fraction form
437,918.96/604,346.12 = 276,715.19/x - Step 3: Cross multiply
437,918.96x = 604,346.12 × 276,715.19 - Step 4: Simplify right side
437,918.96x = 167,231,747,016.26 - Step 5: Solve for x
x = 167,231,747,016.26/437,918.96 - Step 6: Final answer
x = 381,878.30
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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.