Finding the Fourth Proportional to 270,994.62, 373,821.90 and 213,421.84
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Solution
The fourth proportional to 270,994.62, 373,821.90 and 213,421.84 is: 294,403.48
Step by Step Solution
- Step 1: Write the proportion equation
270,994.62 : 373,821.90 = 213,421.84 : x - Step 2: Convert to fraction form
270,994.62/373,821.90 = 213,421.84/x - Step 3: Cross multiply
270,994.62x = 373,821.90 × 213,421.84 - Step 4: Simplify right side
270,994.62x = 79,781,757,397.24 - Step 5: Solve for x
x = 79,781,757,397.24/270,994.62 - Step 6: Final answer
x = 294,403.48
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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.