Finding the Fourth Proportional to 207,790.72, 286,730.49 and 127,241.08
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Solution
The fourth proportional to 207,790.72, 286,730.49 and 127,241.08 is: 175,580.01
Step by Step Solution
- Step 1: Write the proportion equation
207,790.72 : 286,730.49 = 127,241.08 : x - Step 2: Convert to fraction form
207,790.72/286,730.49 = 127,241.08/x - Step 3: Cross multiply
207,790.72x = 286,730.49 × 127,241.08 - Step 4: Simplify right side
207,790.72x = 36,483,897,216.53 - Step 5: Solve for x
x = 36,483,897,216.53/207,790.72 - Step 6: Final answer
x = 175,580.01
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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.