Finding the Fourth Proportional to 98,397.99, 147,597.84 and 28,277.28
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Solution
The fourth proportional to 98,397.99, 147,597.84 and 28,277.28 is: 42,416.17
Step by Step Solution
- Step 1: Write the proportion equation
98,397.99 : 147,597.84 = 28,277.28 : x - Step 2: Convert to fraction form
98,397.99/147,597.84 = 28,277.28/x - Step 3: Cross multiply
98,397.99x = 147,597.84 × 28,277.28 - Step 4: Simplify right side
98,397.99x = 4,173,665,449.08 - Step 5: Solve for x
x = 4,173,665,449.08/98,397.99 - Step 6: Final answer
x = 42,416.17
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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.