Finding the Fourth Proportional to 316,576.84, 436,875.94 and 173,336.84
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Solution
The fourth proportional to 316,576.84, 436,875.94 and 173,336.84 is: 239,204.78
Step by Step Solution
- Step 1: Write the proportion equation
316,576.84 : 436,875.94 = 173,336.84 : x - Step 2: Convert to fraction form
316,576.84/436,875.94 = 173,336.84/x - Step 3: Cross multiply
316,576.84x = 436,875.94 × 173,336.84 - Step 4: Simplify right side
316,576.84x = 75,726,694,911.63 - Step 5: Solve for x
x = 75,726,694,911.63/316,576.84 - Step 6: Final answer
x = 239,204.78
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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.