Finding the Fourth Proportional to 298,176.18, 447,226.53 and 98,447.59
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Solution
The fourth proportional to 298,176.18, 447,226.53 and 98,447.59 is: 147,658.92
Step by Step Solution
- Step 1: Write the proportion equation
298,176.18 : 447,226.53 = 98,447.59 : x - Step 2: Convert to fraction form
298,176.18/447,226.53 = 98,447.59/x - Step 3: Cross multiply
298,176.18x = 447,226.53 × 98,447.59 - Step 4: Simplify right side
298,176.18x = 44,028,374,062.56 - Step 5: Solve for x
x = 44,028,374,062.56/298,176.18 - Step 6: Final answer
x = 147,658.92
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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.