Finding the Fourth Proportional to 298,759.08, 448,208.68 and 118,854.72
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Solution
The fourth proportional to 298,759.08, 448,208.68 and 118,854.72 is: 178,309.95
Step by Step Solution
- Step 1: Write the proportion equation
298,759.08 : 448,208.68 = 118,854.72 : x - Step 2: Convert to fraction form
298,759.08/448,208.68 = 118,854.72/x - Step 3: Cross multiply
298,759.08x = 448,208.68 × 118,854.72 - Step 4: Simplify right side
298,759.08x = 53,271,717,162.97 - Step 5: Solve for x
x = 53,271,717,162.97/298,759.08 - Step 6: Final answer
x = 178,309.95
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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.