Finding the Fourth Proportional to 612,110.19, 918,235.17 and 162,849.36
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Solution
The fourth proportional to 612,110.19, 918,235.17 and 162,849.36 is: 244,292.63
Step by Step Solution
- Step 1: Write the proportion equation
612,110.19 : 918,235.17 = 162,849.36 : x - Step 2: Convert to fraction form
612,110.19/918,235.17 = 162,849.36/x - Step 3: Cross multiply
612,110.19x = 918,235.17 × 162,849.36 - Step 4: Simplify right side
612,110.19x = 149,534,009,763.99 - Step 5: Solve for x
x = 149,534,009,763.99/612,110.19 - Step 6: Final answer
x = 244,292.63
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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.