Finding the Fourth Proportional to 591,400.14, 816,132.42 and 319,468.02
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Solution
The fourth proportional to 591,400.14, 816,132.42 and 319,468.02 is: 440,865.99
Step by Step Solution
- Step 1: Write the proportion equation
591,400.14 : 816,132.42 = 319,468.02 : x - Step 2: Convert to fraction form
591,400.14/816,132.42 = 319,468.02/x - Step 3: Cross multiply
591,400.14x = 816,132.42 × 319,468.02 - Step 4: Simplify right side
591,400.14x = 260,728,208,275.21 - Step 5: Solve for x
x = 260,728,208,275.21/591,400.14 - Step 6: Final answer
x = 440,865.99
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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.