Finding the Fourth Proportional to 347,154.59, 479,117.63 and 194,201.28
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Solution
The fourth proportional to 347,154.59, 479,117.63 and 194,201.28 is: 268,022.55
Step by Step Solution
- Step 1: Write the proportion equation
347,154.59 : 479,117.63 = 194,201.28 : x - Step 2: Convert to fraction form
347,154.59/479,117.63 = 194,201.28/x - Step 3: Cross multiply
347,154.59x = 479,117.63 × 194,201.28 - Step 4: Simplify right side
347,154.59x = 93,045,257,502.07 - Step 5: Solve for x
x = 93,045,257,502.07/347,154.59 - Step 6: Final answer
x = 268,022.55
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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.