Finding the Fourth Proportional to 591,555.21, 816,346.17 and 319,623.18
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Solution
The fourth proportional to 591,555.21, 816,346.17 and 319,623.18 is: 441,079.98
Step by Step Solution
- Step 1: Write the proportion equation
591,555.21 : 816,346.17 = 319,623.18 : x - Step 2: Convert to fraction form
591,555.21/816,346.17 = 319,623.18/x - Step 3: Cross multiply
591,555.21x = 816,346.17 × 319,623.18 - Step 4: Simplify right side
591,555.21x = 260,923,158,836.22 - Step 5: Solve for x
x = 260,923,158,836.22/591,555.21 - Step 6: Final answer
x = 441,079.98
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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.