Finding the Fourth Proportional to 198,991.53, 298,501.99 and 56,848.84
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Solution
The fourth proportional to 198,991.53, 298,501.99 and 56,848.84 is: 85,277.45
Step by Step Solution
- Step 1: Write the proportion equation
198,991.53 : 298,501.99 = 56,848.84 : x - Step 2: Convert to fraction form
198,991.53/298,501.99 = 56,848.84/x - Step 3: Cross multiply
198,991.53x = 298,501.99 × 56,848.84 - Step 4: Simplify right side
198,991.53x = 16,969,490,980.81 - Step 5: Solve for x
x = 16,969,490,980.81/198,991.53 - Step 6: Final answer
x = 85,277.45
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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.