Finding the Fourth Proportional to 324,548.68, 486,869.10 and 99,927.79
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Solution
The fourth proportional to 324,548.68, 486,869.10 and 99,927.79 is: 149,905.86
Step by Step Solution
- Step 1: Write the proportion equation
324,548.68 : 486,869.10 = 99,927.79 : x - Step 2: Convert to fraction form
324,548.68/486,869.10 = 99,927.79/x - Step 3: Cross multiply
324,548.68x = 486,869.10 × 99,927.79 - Step 4: Simplify right side
324,548.68x = 48,651,750,248.30 - Step 5: Solve for x
x = 48,651,750,248.30/324,548.68 - Step 6: Final answer
x = 149,905.86
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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.