Finding the Fourth Proportional to 356,710.05, 492,263.91 and 203,768.48
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Solution
The fourth proportional to 356,710.05, 492,263.91 and 203,768.48 is: 281,202.81
Step by Step Solution
- Step 1: Write the proportion equation
356,710.05 : 492,263.91 = 203,768.48 : x - Step 2: Convert to fraction form
356,710.05/492,263.91 = 203,768.48/x - Step 3: Cross multiply
356,710.05x = 492,263.91 × 203,768.48 - Step 4: Simplify right side
356,710.05x = 100,307,869,930.22 - Step 5: Solve for x
x = 100,307,869,930.22/356,710.05 - Step 6: Final answer
x = 281,202.81
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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.