Finding the Fourth Proportional to 788,160.99, 1,182,407.66 and 255,640.63
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Solution
The fourth proportional to 788,160.99, 1,182,407.66 and 255,640.63 is: 383,514.84
Step by Step Solution
- Step 1: Write the proportion equation
788,160.99 : 1,182,407.66 = 255,640.63 : x - Step 2: Convert to fraction form
788,160.99/1,182,407.66 = 255,640.63/x - Step 3: Cross multiply
788,160.99x = 1,182,407.66 × 255,640.63 - Step 4: Simplify right side
788,160.99x = 302,271,439,119.23 - Step 5: Solve for x
x = 302,271,439,119.23/788,160.99 - Step 6: Final answer
x = 383,514.84
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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.