Finding the Fourth Proportional to 387,673.09, 582,173.93 and 210,526.09
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Solution
The fourth proportional to 387,673.09, 582,173.93 and 210,526.09 is: 316,149.88
Step by Step Solution
- Step 1: Write the proportion equation
387,673.09 : 582,173.93 = 210,526.09 : x - Step 2: Convert to fraction form
387,673.09/582,173.93 = 210,526.09/x - Step 3: Cross multiply
387,673.09x = 582,173.93 × 210,526.09 - Step 4: Simplify right side
387,673.09x = 122,562,800,253.71 - Step 5: Solve for x
x = 122,562,800,253.71/387,673.09 - Step 6: Final answer
x = 316,149.88
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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.