Finding the Fourth Proportional to 684,173.86, 1,025,133.64 and 234,647.99
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Solution
The fourth proportional to 684,173.86, 1,025,133.64 and 234,647.99 is: 351,585.41
Step by Step Solution
- Step 1: Write the proportion equation
684,173.86 : 1,025,133.64 = 234,647.99 : x - Step 2: Convert to fraction form
684,173.86/1,025,133.64 = 234,647.99/x - Step 3: Cross multiply
684,173.86x = 1,025,133.64 × 234,647.99 - Step 4: Simplify right side
684,173.86x = 240,545,546,239.35 - Step 5: Solve for x
x = 240,545,546,239.35/684,173.86 - Step 6: Final answer
x = 351,585.41
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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.