Finding the Fourth Proportional to 440,763.68, 661,394.64 and 188,020.29
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Solution
The fourth proportional to 440,763.68, 661,394.64 and 188,020.29 is: 282,136.70
Step by Step Solution
- Step 1: Write the proportion equation
440,763.68 : 661,394.64 = 188,020.29 : x - Step 2: Convert to fraction form
440,763.68/661,394.64 = 188,020.29/x - Step 3: Cross multiply
440,763.68x = 661,394.64 × 188,020.29 - Step 4: Simplify right side
440,763.68x = 124,355,610,953.40 - Step 5: Solve for x
x = 124,355,610,953.40/440,763.68 - Step 6: Final answer
x = 282,136.70
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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.