Finding the Fourth Proportional to 252,954.76, 349,072.74 and 139,775.08
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Solution
The fourth proportional to 252,954.76, 349,072.74 and 139,775.08 is: 192,886.94
Step by Step Solution
- Step 1: Write the proportion equation
252,954.76 : 349,072.74 = 139,775.08 : x - Step 2: Convert to fraction form
252,954.76/349,072.74 = 139,775.08/x - Step 3: Cross multiply
252,954.76x = 349,072.74 × 139,775.08 - Step 4: Simplify right side
252,954.76x = 48,791,670,159.32 - Step 5: Solve for x
x = 48,791,670,159.32/252,954.76 - Step 6: Final answer
x = 192,886.94
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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.