Finding the Fourth Proportional to 198,298.98, 273,652.92 and 107,654.94
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Solution
The fourth proportional to 198,298.98, 273,652.92 and 107,654.94 is: 148,564.00
Step by Step Solution
- Step 1: Write the proportion equation
198,298.98 : 273,652.92 = 107,654.94 : x - Step 2: Convert to fraction form
198,298.98/273,652.92 = 107,654.94/x - Step 3: Cross multiply
198,298.98x = 273,652.92 × 107,654.94 - Step 4: Simplify right side
198,298.98x = 29,460,088,683.42 - Step 5: Solve for x
x = 29,460,088,683.42/198,298.98 - Step 6: Final answer
x = 148,564.00
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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.