Finding the Fourth Proportional to 168,282.36, 252,248.58 and 68,511.42
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Solution
The fourth proportional to 168,282.36, 252,248.58 and 68,511.42 is: 102,695.90
Step by Step Solution
- Step 1: Write the proportion equation
168,282.36 : 252,248.58 = 68,511.42 : x - Step 2: Convert to fraction form
168,282.36/252,248.58 = 68,511.42/x - Step 3: Cross multiply
168,282.36x = 252,248.58 × 68,511.42 - Step 4: Simplify right side
168,282.36x = 17,281,908,408.78 - Step 5: Solve for x
x = 17,281,908,408.78/168,282.36 - Step 6: Final answer
x = 102,695.90
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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.