Finding the Fourth Proportional to 298,878.01, 412,448.96 and 162,911.95
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Solution
The fourth proportional to 298,878.01, 412,448.96 and 162,911.95 is: 224,817.02
Step by Step Solution
- Step 1: Write the proportion equation
298,878.01 : 412,448.96 = 162,911.95 : x - Step 2: Convert to fraction form
298,878.01/412,448.96 = 162,911.95/x - Step 3: Cross multiply
298,878.01x = 412,448.96 × 162,911.95 - Step 4: Simplify right side
298,878.01x = 67,192,863,725.23 - Step 5: Solve for x
x = 67,192,863,725.23/298,878.01 - Step 6: Final answer
x = 224,817.02
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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.