Finding the Fourth Proportional to 298,698.47, 412,202.64 and 162,731.99
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Solution
The fourth proportional to 298,698.47, 412,202.64 and 162,731.99 is: 224,569.47
Step by Step Solution
- Step 1: Write the proportion equation
298,698.47 : 412,202.64 = 162,731.99 : x - Step 2: Convert to fraction form
298,698.47/412,202.64 = 162,731.99/x - Step 3: Cross multiply
298,698.47x = 412,202.64 × 162,731.99 - Step 4: Simplify right side
298,698.47x = 67,078,557,531.21 - Step 5: Solve for x
x = 67,078,557,531.21/298,698.47 - Step 6: Final answer
x = 224,569.47
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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.