Finding the Fourth Proportional to 401,205.84, 553,642.20 and 219,918.12
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Solution
The fourth proportional to 401,205.84, 553,642.20 and 219,918.12 is: 303,475.02
Step by Step Solution
- Step 1: Write the proportion equation
401,205.84 : 553,642.20 = 219,918.12 : x - Step 2: Convert to fraction form
401,205.84/553,642.20 = 219,918.12/x - Step 3: Cross multiply
401,205.84x = 553,642.20 × 219,918.12 - Step 4: Simplify right side
401,205.84x = 121,755,951,776.66 - Step 5: Solve for x
x = 121,755,951,776.66/401,205.84 - Step 6: Final answer
x = 303,475.02
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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.