Finding the Fourth Proportional to 217,831.08, 326,766.78 and 84,721.44
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Solution
The fourth proportional to 217,831.08, 326,766.78 and 84,721.44 is: 127,090.00
Step by Step Solution
- Step 1: Write the proportion equation
217,831.08 : 326,766.78 = 84,721.44 : x - Step 2: Convert to fraction form
217,831.08/326,766.78 = 84,721.44/x - Step 3: Cross multiply
217,831.08x = 326,766.78 × 84,721.44 - Step 4: Simplify right side
217,831.08x = 27,684,152,145.76 - Step 5: Solve for x
x = 27,684,152,145.76/217,831.08 - Step 6: Final answer
x = 127,090.00
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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.