Finding the Fourth Proportional to 301,423.84, 415,965.50 and 178,940.79
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Solution
The fourth proportional to 301,423.84, 415,965.50 and 178,940.79 is: 246,938.65
Step by Step Solution
- Step 1: Write the proportion equation
301,423.84 : 415,965.50 = 178,940.79 : x - Step 2: Convert to fraction form
301,423.84/415,965.50 = 178,940.79/x - Step 3: Cross multiply
301,423.84x = 415,965.50 × 178,940.79 - Step 4: Simplify right side
301,423.84x = 74,433,195,182.75 - Step 5: Solve for x
x = 74,433,195,182.75/301,423.84 - Step 6: Final answer
x = 246,938.65
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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.