Finding the Fourth Proportional to 176,956.45, 265,213.14 and 139,368.09
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Solution
The fourth proportional to 176,956.45, 265,213.14 and 139,368.09 is: 208,877.66
Step by Step Solution
- Step 1: Write the proportion equation
176,956.45 : 265,213.14 = 139,368.09 : x - Step 2: Convert to fraction form
176,956.45/265,213.14 = 139,368.09/x - Step 3: Cross multiply
176,956.45x = 265,213.14 × 139,368.09 - Step 4: Simplify right side
176,956.45x = 36,962,249,236.62 - Step 5: Solve for x
x = 36,962,249,236.62/176,956.45 - Step 6: Final answer
x = 208,877.66
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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.