Finding the Fourth Proportional to 401,113.49, 553,524.09 and 219,822.12
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Solution
The fourth proportional to 401,113.49, 553,524.09 and 219,822.12 is: 303,347.66
Step by Step Solution
- Step 1: Write the proportion equation
401,113.49 : 553,524.09 = 219,822.12 : x - Step 2: Convert to fraction form
401,113.49/553,524.09 = 219,822.12/x - Step 3: Cross multiply
401,113.49x = 553,524.09 × 219,822.12 - Step 4: Simplify right side
401,113.49x = 121,676,837,835.76 - Step 5: Solve for x
x = 121,676,837,835.76/401,113.49 - Step 6: Final answer
x = 303,347.66
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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.