Finding the Fourth Proportional to 316,293.36, 436,497.84 and 173,065.92
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Solution
The fourth proportional to 316,293.36, 436,497.84 and 173,065.92 is: 238,838.08
Step by Step Solution
- Step 1: Write the proportion equation
316,293.36 : 436,497.84 = 173,065.92 : x - Step 2: Convert to fraction form
316,293.36/436,497.84 = 173,065.92/x - Step 3: Cross multiply
316,293.36x = 436,497.84 × 173,065.92 - Step 4: Simplify right side
316,293.36x = 75,542,900,257.61 - Step 5: Solve for x
x = 75,542,900,257.61/316,293.36 - Step 6: Final answer
x = 238,838.08
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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.