Finding the Fourth Proportional to 316,820.74, 437,212.63 and 173,586.22
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Solution
The fourth proportional to 316,820.74, 437,212.63 and 173,586.22 is: 239,548.99
Step by Step Solution
- Step 1: Write the proportion equation
316,820.74 : 437,212.63 = 173,586.22 : x - Step 2: Convert to fraction form
316,820.74/437,212.63 = 173,586.22/x - Step 3: Cross multiply
316,820.74x = 437,212.63 × 173,586.22 - Step 4: Simplify right side
316,820.74x = 75,894,087,777.96 - Step 5: Solve for x
x = 75,894,087,777.96/316,820.74 - Step 6: Final answer
x = 239,548.99
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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.