Finding the Fourth Proportional to 809,645.84, 1,214,466.20 and 218,669.84
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Solution
The fourth proportional to 809,645.84, 1,214,466.20 and 218,669.84 is: 328,004.07
Step by Step Solution
- Step 1: Write the proportion equation
809,645.84 : 1,214,466.20 = 218,669.84 : x - Step 2: Convert to fraction form
809,645.84/1,214,466.20 = 218,669.84/x - Step 3: Cross multiply
809,645.84x = 1,214,466.20 × 218,669.84 - Step 4: Simplify right side
809,645.84x = 265,567,129,639.41 - Step 5: Solve for x
x = 265,567,129,639.41/809,645.84 - Step 6: Final answer
x = 328,004.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.