Finding the Fourth Proportional to 298,486.08, 447,729.12 and 98,752.96
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Solution
The fourth proportional to 298,486.08, 447,729.12 and 98,752.96 is: 148,129.44
Step by Step Solution
- Step 1: Write the proportion equation
298,486.08 : 447,729.12 = 98,752.96 : x - Step 2: Convert to fraction form
298,486.08/447,729.12 = 98,752.96/x - Step 3: Cross multiply
298,486.08x = 447,729.12 × 98,752.96 - Step 4: Simplify right side
298,486.08x = 44,214,575,878.20 - Step 5: Solve for x
x = 44,214,575,878.20/298,486.08 - Step 6: Final answer
x = 148,129.44
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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.