Finding the Fourth Proportional to 663,197.70, 994,796.55 and 164,561.70
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Solution
The fourth proportional to 663,197.70, 994,796.55 and 164,561.70 is: 246,842.55
Step by Step Solution
- Step 1: Write the proportion equation
663,197.70 : 994,796.55 = 164,561.70 : x - Step 2: Convert to fraction form
663,197.70/994,796.55 = 164,561.70/x - Step 3: Cross multiply
663,197.70x = 994,796.55 × 164,561.70 - Step 4: Simplify right side
663,197.70x = 163,705,411,422.14 - Step 5: Solve for x
x = 163,705,411,422.14/663,197.70 - Step 6: Final answer
x = 246,842.55
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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.