Finding the Fourth Proportional to 163,029.62, 224,980.84 and 91,409.64
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Solution
The fourth proportional to 163,029.62, 224,980.84 and 91,409.64 is: 126,145.28
Step by Step Solution
- Step 1: Write the proportion equation
163,029.62 : 224,980.84 = 91,409.64 : x - Step 2: Convert to fraction form
163,029.62/224,980.84 = 91,409.64/x - Step 3: Cross multiply
163,029.62x = 224,980.84 × 91,409.64 - Step 4: Simplify right side
163,029.62x = 20,565,417,591.30 - Step 5: Solve for x
x = 20,565,417,591.30/163,029.62 - Step 6: Final answer
x = 126,145.28
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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.