Finding the Fourth Proportional to 330,372.95, 455,875.98 and 194,376.98
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Solution
The fourth proportional to 330,372.95, 455,875.98 and 194,376.98 is: 268,217.47
Step by Step Solution
- Step 1: Write the proportion equation
330,372.95 : 455,875.98 = 194,376.98 : x - Step 2: Convert to fraction form
330,372.95/455,875.98 = 194,376.98/x - Step 3: Cross multiply
330,372.95x = 455,875.98 × 194,376.98 - Step 4: Simplify right side
330,372.95x = 88,611,793,967.56 - Step 5: Solve for x
x = 88,611,793,967.56/330,372.95 - Step 6: Final answer
x = 268,217.47
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1.5x scale
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.