Finding the Fourth Proportional to 340,205.08, 509,724.42 and 240,186.28
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Solution
The fourth proportional to 340,205.08, 509,724.42 and 240,186.28 is: 359,867.68
Step by Step Solution
- Step 1: Write the proportion equation
340,205.08 : 509,724.42 = 240,186.28 : x - Step 2: Convert to fraction form
340,205.08/509,724.42 = 240,186.28/x - Step 3: Cross multiply
340,205.08x = 509,724.42 × 240,186.28 - Step 4: Simplify right side
340,205.08x = 122,428,812,264.96 - Step 5: Solve for x
x = 122,428,812,264.96/340,205.08 - Step 6: Final answer
x = 359,867.68
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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.