Finding the Fourth Proportional to 367,920.77, 507,641.99 and 214,872.08
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Solution
The fourth proportional to 367,920.77, 507,641.99 and 214,872.08 is: 296,471.68
Step by Step Solution
- Step 1: Write the proportion equation
367,920.77 : 507,641.99 = 214,872.08 : x - Step 2: Convert to fraction form
367,920.77/507,641.99 = 214,872.08/x - Step 3: Cross multiply
367,920.77x = 507,641.99 × 214,872.08 - Step 4: Simplify right side
367,920.77x = 109,078,086,674.07 - Step 5: Solve for x
x = 109,078,086,674.07/367,920.77 - Step 6: Final answer
x = 296,471.68
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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.