Finding the Fourth Proportional to 319,029.70, 440,245.08 and 175,766.62
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Solution
The fourth proportional to 319,029.70, 440,245.08 and 175,766.62 is: 242,549.17
Step by Step Solution
- Step 1: Write the proportion equation
319,029.70 : 440,245.08 = 175,766.62 : x - Step 2: Convert to fraction form
319,029.70/440,245.08 = 175,766.62/x - Step 3: Cross multiply
319,029.70x = 440,245.08 × 175,766.62 - Step 4: Simplify right side
319,029.70x = 77,380,389,683.23 - Step 5: Solve for x
x = 77,380,389,683.23/319,029.70 - Step 6: Final answer
x = 242,549.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.