Finding the Fourth Proportional to 207,596.80, 286,491.52 and 116,988.80
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Solution
The fourth proportional to 207,596.80, 286,491.52 and 116,988.80 is: 161,449.02
Step by Step Solution
- Step 1: Write the proportion equation
207,596.80 : 286,491.52 = 116,988.80 : x - Step 2: Convert to fraction form
207,596.80/286,491.52 = 116,988.80/x - Step 3: Cross multiply
207,596.80x = 286,491.52 × 116,988.80 - Step 4: Simplify right side
207,596.80x = 33,516,299,134.98 - Step 5: Solve for x
x = 33,516,299,134.98/207,596.80 - Step 6: Final answer
x = 161,449.02
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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.