Finding the Fourth Proportional to 98,393.99, 147,591.84 and 28,273.28
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Solution
The fourth proportional to 98,393.99, 147,591.84 and 28,273.28 is: 42,410.17
Step by Step Solution
- Step 1: Write the proportion equation
98,393.99 : 147,591.84 = 28,273.28 : x - Step 2: Convert to fraction form
98,393.99/147,591.84 = 28,273.28/x - Step 3: Cross multiply
98,393.99x = 147,591.84 × 28,273.28 - Step 4: Simplify right side
98,393.99x = 4,172,905,418.04 - Step 5: Solve for x
x = 4,172,905,418.04/98,393.99 - Step 6: Final answer
x = 42,410.17
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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.