Finding the Fourth Proportional to 176,768.90, 265,153.35 and 157,415.30
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Solution
The fourth proportional to 176,768.90, 265,153.35 and 157,415.30 is: 236,122.95
Step by Step Solution
- Step 1: Write the proportion equation
176,768.90 : 265,153.35 = 157,415.30 : x - Step 2: Convert to fraction form
176,768.90/265,153.35 = 157,415.30/x - Step 3: Cross multiply
176,768.90x = 265,153.35 × 157,415.30 - Step 4: Simplify right side
176,768.90x = 41,739,194,136.26 - Step 5: Solve for x
x = 41,739,194,136.26/176,768.90 - Step 6: Final answer
x = 236,122.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.