Finding the Fourth Proportional to 98,226.28, 147,442.49 and 87,053.10
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Solution
The fourth proportional to 98,226.28, 147,442.49 and 87,053.10 is: 130,670.99
Step by Step Solution
- Step 1: Write the proportion equation
98,226.28 : 147,442.49 = 87,053.10 : x - Step 2: Convert to fraction form
98,226.28/147,442.49 = 87,053.10/x - Step 3: Cross multiply
98,226.28x = 147,442.49 × 87,053.10 - Step 4: Simplify right side
98,226.28x = 12,835,325,390.95 - Step 5: Solve for x
x = 12,835,325,390.95/98,226.28 - Step 6: Final answer
x = 130,670.99
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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.