Finding the Fourth Proportional to 297,858.42, 411,053.81 and 170,575.02
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Solution
The fourth proportional to 297,858.42, 411,053.81 and 170,575.02 is: 235,398.79
Step by Step Solution
- Step 1: Write the proportion equation
297,858.42 : 411,053.81 = 170,575.02 : x - Step 2: Convert to fraction form
297,858.42/411,053.81 = 170,575.02/x - Step 3: Cross multiply
297,858.42x = 411,053.81 × 170,575.02 - Step 4: Simplify right side
297,858.42x = 70,115,511,008.95 - Step 5: Solve for x
x = 70,115,511,008.95/297,858.42 - Step 6: Final answer
x = 235,398.79
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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.