Finding the Fourth Proportional to 168,154.84, 252,246.80 and 48,212.32
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Solution
The fourth proportional to 168,154.84, 252,246.80 and 48,212.32 is: 72,322.65
Step by Step Solution
- Step 1: Write the proportion equation
168,154.84 : 252,246.80 = 48,212.32 : x - Step 2: Convert to fraction form
168,154.84/252,246.80 = 48,212.32/x - Step 3: Cross multiply
168,154.84x = 252,246.80 × 48,212.32 - Step 4: Simplify right side
168,154.84x = 12,161,403,440.58 - Step 5: Solve for x
x = 12,161,403,440.58/168,154.84 - Step 6: Final answer
x = 72,322.65
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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.