Finding the Fourth Proportional to 298,701.47, 412,206.78 and 162,734.99
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Solution
The fourth proportional to 298,701.47, 412,206.78 and 162,734.99 is: 224,573.61
Step by Step Solution
- Step 1: Write the proportion equation
298,701.47 : 412,206.78 = 162,734.99 : x - Step 2: Convert to fraction form
298,701.47/412,206.78 = 162,734.99/x - Step 3: Cross multiply
298,701.47x = 412,206.78 × 162,734.99 - Step 4: Simplify right side
298,701.47x = 67,080,466,221.23 - Step 5: Solve for x
x = 67,080,466,221.23/298,701.47 - Step 6: Final answer
x = 224,573.61
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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.