Finding the Fourth Proportional to 217,944.84, 326,831.94 and 84,807.48
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Solution
The fourth proportional to 217,944.84, 326,831.94 and 84,807.48 is: 127,178.02
Step by Step Solution
- Step 1: Write the proportion equation
217,944.84 : 326,831.94 = 84,807.48 : x - Step 2: Convert to fraction form
217,944.84/326,831.94 = 84,807.48/x - Step 3: Cross multiply
217,944.84x = 326,831.94 × 84,807.48 - Step 4: Simplify right side
217,944.84x = 27,717,793,214.91 - Step 5: Solve for x
x = 27,717,793,214.91/217,944.84 - Step 6: Final answer
x = 127,178.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.