Finding the Fourth Proportional to 163,449.92, 245,188.99 and 45,121.28
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Solution
The fourth proportional to 163,449.92, 245,188.99 and 45,121.28 is: 67,685.82
Step by Step Solution
- Step 1: Write the proportion equation
163,449.92 : 245,188.99 = 45,121.28 : x - Step 2: Convert to fraction form
163,449.92/245,188.99 = 45,121.28/x - Step 3: Cross multiply
163,449.92x = 245,188.99 × 45,121.28 - Step 4: Simplify right side
163,449.92x = 11,063,241,070.71 - Step 5: Solve for x
x = 11,063,241,070.71/163,449.92 - Step 6: Final answer
x = 67,685.82
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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.