Finding the Fourth Proportional to 508,830.75, 763,596.09 and 176,406.75
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Solution
The fourth proportional to 508,830.75, 763,596.09 and 176,406.75 is: 264,731.45
Step by Step Solution
- Step 1: Write the proportion equation
508,830.75 : 763,596.09 = 176,406.75 : x - Step 2: Convert to fraction form
508,830.75/763,596.09 = 176,406.75/x - Step 3: Cross multiply
508,830.75x = 763,596.09 × 176,406.75 - Step 4: Simplify right side
508,830.75x = 134,703,504,549.61 - Step 5: Solve for x
x = 134,703,504,549.61/508,830.75 - Step 6: Final answer
x = 264,731.45
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1.5x scale
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.