Finding the Fourth Proportional to 207,946.14, 286,952.31 and 118,516.38
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Solution
The fourth proportional to 207,946.14, 286,952.31 and 118,516.38 is: 163,544.99
Step by Step Solution
- Step 1: Write the proportion equation
207,946.14 : 286,952.31 = 118,516.38 : x - Step 2: Convert to fraction form
207,946.14/286,952.31 = 118,516.38/x - Step 3: Cross multiply
207,946.14x = 286,952.31 × 118,516.38 - Step 4: Simplify right side
207,946.14x = 34,008,549,013.84 - Step 5: Solve for x
x = 34,008,549,013.84/207,946.14 - Step 6: Final answer
x = 163,544.99
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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.