Finding the Fourth Proportional to 515,865.19, 773,831.96 and 136,780.64
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Solution
The fourth proportional to 515,865.19, 773,831.96 and 136,780.64 is: 205,180.02
Step by Step Solution
- Step 1: Write the proportion equation
515,865.19 : 773,831.96 = 136,780.64 : x - Step 2: Convert to fraction form
515,865.19/773,831.96 = 136,780.64/x - Step 3: Cross multiply
515,865.19x = 773,831.96 × 136,780.64 - Step 4: Simplify right side
515,865.19x = 105,845,230,741.25 - Step 5: Solve for x
x = 105,845,230,741.25/515,865.19 - Step 6: Final answer
x = 205,180.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.