Finding the Fourth Proportional to 170,260.45, 234,959.41 and 98,681.99
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Solution
The fourth proportional to 170,260.45, 234,959.41 and 98,681.99 is: 136,181.14
Step by Step Solution
- Step 1: Write the proportion equation
170,260.45 : 234,959.41 = 98,681.99 : x - Step 2: Convert to fraction form
170,260.45/234,959.41 = 98,681.99/x - Step 3: Cross multiply
170,260.45x = 234,959.41 × 98,681.99 - Step 4: Simplify right side
170,260.45x = 23,186,262,148.03 - Step 5: Solve for x
x = 23,186,262,148.03/170,260.45 - Step 6: Final answer
x = 136,181.14
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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.