Finding the Fourth Proportional to 372,090.86, 513,482.64 and 202,324.94
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Solution
The fourth proportional to 372,090.86, 513,482.64 and 202,324.94 is: 279,206.92
Step by Step Solution
- Step 1: Write the proportion equation
372,090.86 : 513,482.64 = 202,324.94 : x - Step 2: Convert to fraction form
372,090.86/513,482.64 = 202,324.94/x - Step 3: Cross multiply
372,090.86x = 513,482.64 × 202,324.94 - Step 4: Simplify right side
372,090.86x = 103,890,344,329.04 - Step 5: Solve for x
x = 103,890,344,329.04/372,090.86 - Step 6: Final answer
x = 279,206.92
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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.