Finding the Fourth Proportional to 298,527.79, 447,708.56 and 98,863.74
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Solution
The fourth proportional to 298,527.79, 447,708.56 and 98,863.74 is: 148,268.08
Step by Step Solution
- Step 1: Write the proportion equation
298,527.79 : 447,708.56 = 98,863.74 : x - Step 2: Convert to fraction form
298,527.79/447,708.56 = 98,863.74/x - Step 3: Cross multiply
298,527.79x = 447,708.56 × 98,863.74 - Step 4: Simplify right side
298,527.79x = 44,262,142,177.30 - Step 5: Solve for x
x = 44,262,142,177.30/298,527.79 - Step 6: Final answer
x = 148,268.08
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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.