Finding the Fourth Proportional to 316,849.92, 437,252.64 and 173,618.88
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Solution
The fourth proportional to 316,849.92, 437,252.64 and 173,618.88 is: 239,593.92
Step by Step Solution
- Step 1: Write the proportion equation
316,849.92 : 437,252.64 = 173,618.88 : x - Step 2: Convert to fraction form
316,849.92/437,252.64 = 173,618.88/x - Step 3: Cross multiply
316,849.92x = 437,252.64 × 173,618.88 - Step 4: Simplify right side
316,849.92x = 75,915,313,633.84 - Step 5: Solve for x
x = 75,915,313,633.84/316,849.92 - Step 6: Final answer
x = 239,593.92
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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.