Finding the Fourth Proportional to 330,158.84, 455,612.85 and 194,207.63
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Solution
The fourth proportional to 330,158.84, 455,612.85 and 194,207.63 is: 268,002.79
Step by Step Solution
- Step 1: Write the proportion equation
330,158.84 : 455,612.85 = 194,207.63 : x - Step 2: Convert to fraction form
330,158.84/455,612.85 = 194,207.63/x - Step 3: Cross multiply
330,158.84x = 455,612.85 × 194,207.63 - Step 4: Simplify right side
330,158.84x = 88,483,489,517.98 - Step 5: Solve for x
x = 88,483,489,517.98/330,158.84 - Step 6: Final answer
x = 268,002.79
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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.