Finding the Fourth Proportional to 200,435.68, 276,605.68 and 114,392.94
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Solution
The fourth proportional to 200,435.68, 276,605.68 and 114,392.94 is: 157,864.79
Step by Step Solution
- Step 1: Write the proportion equation
200,435.68 : 276,605.68 = 114,392.94 : x - Step 2: Convert to fraction form
200,435.68/276,605.68 = 114,392.94/x - Step 3: Cross multiply
200,435.68x = 276,605.68 × 114,392.94 - Step 4: Simplify right side
200,435.68x = 31,641,736,955.90 - Step 5: Solve for x
x = 31,641,736,955.90/200,435.68 - Step 6: Final answer
x = 157,864.79
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1.5x scale
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.