Finding the Fourth Proportional to 508,193.70, 761,274.24 and 305,677.95
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Solution
The fourth proportional to 508,193.70, 761,274.24 and 305,677.95 is: 457,905.62
Step by Step Solution
- Step 1: Write the proportion equation
508,193.70 : 761,274.24 = 305,677.95 : x - Step 2: Convert to fraction form
508,193.70/761,274.24 = 305,677.95/x - Step 3: Cross multiply
508,193.70x = 761,274.24 × 305,677.95 - Step 4: Simplify right side
508,193.70x = 232,704,749,071.01 - Step 5: Solve for x
x = 232,704,749,071.01/508,193.70 - Step 6: Final answer
x = 457,905.62
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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.