Finding the Fourth Proportional to 330,373.95, 455,877.36 and 194,377.98
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Solution
The fourth proportional to 330,373.95, 455,877.36 and 194,377.98 is: 268,218.85
Step by Step Solution
- Step 1: Write the proportion equation
330,373.95 : 455,877.36 = 194,377.98 : x - Step 2: Convert to fraction form
330,373.95/455,877.36 = 194,377.98/x - Step 3: Cross multiply
330,373.95x = 455,877.36 × 194,377.98 - Step 4: Simplify right side
330,373.95x = 88,612,520,364.53 - Step 5: Solve for x
x = 88,612,520,364.53/330,373.95 - Step 6: Final answer
x = 268,218.85
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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.