Finding the Fourth Proportional to 303,905.70, 455,202.45 and 251,417.70
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Solution
The fourth proportional to 303,905.70, 455,202.45 and 251,417.70 is: 376,583.77
Step by Step Solution
- Step 1: Write the proportion equation
303,905.70 : 455,202.45 = 251,417.70 : x - Step 2: Convert to fraction form
303,905.70/455,202.45 = 251,417.70/x - Step 3: Cross multiply
303,905.70x = 455,202.45 × 251,417.70 - Step 4: Simplify right side
303,905.70x = 114,445,953,013.37 - Step 5: Solve for x
x = 114,445,953,013.37/303,905.70 - Step 6: Final answer
x = 376,583.77
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1.5x scale
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.