Finding the Fourth Proportional to 148,793.18, 223,245.12 and 68,869.94
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Solution
The fourth proportional to 148,793.18, 223,245.12 and 68,869.94 is: 103,330.53
Step by Step Solution
- Step 1: Write the proportion equation
148,793.18 : 223,245.12 = 68,869.94 : x - Step 2: Convert to fraction form
148,793.18/223,245.12 = 68,869.94/x - Step 3: Cross multiply
148,793.18x = 223,245.12 × 68,869.94 - Step 4: Simplify right side
148,793.18x = 15,374,878,019.69 - Step 5: Solve for x
x = 15,374,878,019.69/148,793.18 - Step 6: Final answer
x = 103,330.53
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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.