Finding the Fourth Proportional to 316,586.84, 436,889.74 and 173,346.84
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Solution
The fourth proportional to 316,586.84, 436,889.74 and 173,346.84 is: 239,218.58
Step by Step Solution
- Step 1: Write the proportion equation
316,586.84 : 436,889.74 = 173,346.84 : x - Step 2: Convert to fraction form
316,586.84/436,889.74 = 173,346.84/x - Step 3: Cross multiply
316,586.84x = 436,889.74 × 173,346.84 - Step 4: Simplify right side
316,586.84x = 75,733,455,857.42 - Step 5: Solve for x
x = 75,733,455,857.42/316,586.84 - Step 6: Final answer
x = 239,218.58
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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.