Finding the Fourth Proportional to 170,206.12, 234,892.74 and 98,573.32
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Solution
The fourth proportional to 170,206.12, 234,892.74 and 98,573.32 is: 136,035.99
Step by Step Solution
- Step 1: Write the proportion equation
170,206.12 : 234,892.74 = 98,573.32 : x - Step 2: Convert to fraction form
170,206.12/234,892.74 = 98,573.32/x - Step 3: Cross multiply
170,206.12x = 234,892.74 × 98,573.32 - Step 4: Simplify right side
170,206.12x = 23,154,157,225.70 - Step 5: Solve for x
x = 23,154,157,225.70/170,206.12 - Step 6: Final answer
x = 136,035.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.