Finding the Fourth Proportional to 207,392.85, 286,210.80 and 116,748.99
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Solution
The fourth proportional to 207,392.85, 286,210.80 and 116,748.99 is: 161,118.49
Step by Step Solution
- Step 1: Write the proportion equation
207,392.85 : 286,210.80 = 116,748.99 : x - Step 2: Convert to fraction form
207,392.85/286,210.80 = 116,748.99/x - Step 3: Cross multiply
207,392.85x = 286,210.80 × 116,748.99 - Step 4: Simplify right side
207,392.85x = 33,414,821,827.09 - Step 5: Solve for x
x = 33,414,821,827.09/207,392.85 - Step 6: Final answer
x = 161,118.49
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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.