Finding the Fourth Proportional to 508,190.70, 761,269.74 and 305,674.95
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Solution
The fourth proportional to 508,190.70, 761,269.74 and 305,674.95 is: 457,901.12
Step by Step Solution
- Step 1: Write the proportion equation
508,190.70 : 761,269.74 = 305,674.95 : x - Step 2: Convert to fraction form
508,190.70/761,269.74 = 305,674.95/x - Step 3: Cross multiply
508,190.70x = 761,269.74 × 305,674.95 - Step 4: Simplify right side
508,190.70x = 232,701,091,419.49 - Step 5: Solve for x
x = 232,701,091,419.49/508,190.70 - Step 6: Final answer
x = 457,901.12
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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.