Finding the Fourth Proportional to 219,354.42, 302,729.53 and 133,293.54
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Solution
The fourth proportional to 219,354.42, 302,729.53 and 133,293.54 is: 183,957.50
Step by Step Solution
- Step 1: Write the proportion equation
219,354.42 : 302,729.53 = 133,293.54 : x - Step 2: Convert to fraction form
219,354.42/302,729.53 = 133,293.54/x - Step 3: Cross multiply
219,354.42x = 302,729.53 × 133,293.54 - Step 4: Simplify right side
219,354.42x = 40,351,890,716.24 - Step 5: Solve for x
x = 40,351,890,716.24/219,354.42 - Step 6: Final answer
x = 183,957.50
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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.