Finding the Fourth Proportional to 207,680.02, 286,598.68 and 112,186.71
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Solution
The fourth proportional to 207,680.02, 286,598.68 and 112,186.71 is: 154,817.80
Step by Step Solution
- Step 1: Write the proportion equation
207,680.02 : 286,598.68 = 112,186.71 : x - Step 2: Convert to fraction form
207,680.02/286,598.68 = 112,186.71/x - Step 3: Cross multiply
207,680.02x = 286,598.68 × 112,186.71 - Step 4: Simplify right side
207,680.02x = 32,152,562,999.54 - Step 5: Solve for x
x = 32,152,562,999.54/207,680.02 - Step 6: Final answer
x = 154,817.80
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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.