Finding the Fourth Proportional to 236,777.62, 355,306.56 and 87,123.00
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Solution
The fourth proportional to 236,777.62, 355,306.56 and 87,123.00 is: 130,736.07
Step by Step Solution
- Step 1: Write the proportion equation
236,777.62 : 355,306.56 = 87,123.00 : x - Step 2: Convert to fraction form
236,777.62/355,306.56 = 87,123.00/x - Step 3: Cross multiply
236,777.62x = 355,306.56 × 87,123.00 - Step 4: Simplify right side
236,777.62x = 30,955,374,293.54 - Step 5: Solve for x
x = 30,955,374,293.54/236,777.62 - Step 6: Final answer
x = 130,736.07
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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.