Finding the Fourth Proportional to 207,930.23, 286,945.44 and 114,798.97
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Solution
The fourth proportional to 207,930.23, 286,945.44 and 114,798.97 is: 158,423.52
Step by Step Solution
- Step 1: Write the proportion equation
207,930.23 : 286,945.44 = 114,798.97 : x - Step 2: Convert to fraction form
207,930.23/286,945.44 = 114,798.97/x - Step 3: Cross multiply
207,930.23x = 286,945.44 × 114,798.97 - Step 4: Simplify right side
207,930.23x = 32,941,038,949.47 - Step 5: Solve for x
x = 32,941,038,949.47/207,930.23 - Step 6: Final answer
x = 158,423.52
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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.