Finding the Fourth Proportional to 114,394.79, 157,864.53 and 62,711.79
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Solution
The fourth proportional to 114,394.79, 157,864.53 and 62,711.79 is: 86,542.12
Step by Step Solution
- Step 1: Write the proportion equation
114,394.79 : 157,864.53 = 62,711.79 : x - Step 2: Convert to fraction form
114,394.79/157,864.53 = 62,711.79/x - Step 3: Cross multiply
114,394.79x = 157,864.53 × 62,711.79 - Step 4: Simplify right side
114,394.79x = 9,899,967,253.81 - Step 5: Solve for x
x = 9,899,967,253.81/114,394.79 - Step 6: Final answer
x = 86,542.12
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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.