Finding the Fourth Proportional to 99,228.59, 148,811.49 and 32,653.88
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Solution
The fourth proportional to 99,228.59, 148,811.49 and 32,653.88 is: 48,970.48
Step by Step Solution
- Step 1: Write the proportion equation
99,228.59 : 148,811.49 = 32,653.88 : x - Step 2: Convert to fraction form
99,228.59/148,811.49 = 32,653.88/x - Step 3: Cross multiply
99,228.59x = 148,811.49 × 32,653.88 - Step 4: Simplify right side
99,228.59x = 4,859,271,793.02 - Step 5: Solve for x
x = 4,859,271,793.02/99,228.59 - Step 6: Final answer
x = 48,970.48
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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.