Finding the Fourth Proportional to 357,988.28, 494,014.34 and 194,639.63
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Solution
The fourth proportional to 357,988.28, 494,014.34 and 194,639.63 is: 268,597.53
Step by Step Solution
- Step 1: Write the proportion equation
357,988.28 : 494,014.34 = 194,639.63 : x - Step 2: Convert to fraction form
357,988.28/494,014.34 = 194,639.63/x - Step 3: Cross multiply
357,988.28x = 494,014.34 × 194,639.63 - Step 4: Simplify right side
357,988.28x = 96,154,766,368.82 - Step 5: Solve for x
x = 96,154,766,368.82/357,988.28 - Step 6: Final answer
x = 268,597.53
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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.