Finding the Fourth Proportional to 316,540.74, 436,831.74 and 195,679.02
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Solution
The fourth proportional to 316,540.74, 436,831.74 and 195,679.02 is: 270,040.46
Step by Step Solution
- Step 1: Write the proportion equation
316,540.74 : 436,831.74 = 195,679.02 : x - Step 2: Convert to fraction form
316,540.74/436,831.74 = 195,679.02/x - Step 3: Cross multiply
316,540.74x = 436,831.74 × 195,679.02 - Step 4: Simplify right side
316,540.74x = 85,478,806,788.09 - Step 5: Solve for x
x = 85,478,806,788.09/316,540.74 - Step 6: Final answer
x = 270,040.46
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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.