Finding the Fourth Proportional to 247,955.84, 342,171.84 and 134,775.68
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Solution
The fourth proportional to 247,955.84, 342,171.84 and 134,775.68 is: 185,986.51
Step by Step Solution
- Step 1: Write the proportion equation
247,955.84 : 342,171.84 = 134,775.68 : x - Step 2: Convert to fraction form
247,955.84/342,171.84 = 134,775.68/x - Step 3: Cross multiply
247,955.84x = 342,171.84 × 134,775.68 - Step 4: Simplify right side
247,955.84x = 46,116,442,412.85 - Step 5: Solve for x
x = 46,116,442,412.85/247,955.84 - Step 6: Final answer
x = 185,986.51
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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.