Finding the Fourth Proportional to 486,129.30, 729,266.88 and 170,530.62
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Solution
The fourth proportional to 486,129.30, 729,266.88 and 170,530.62 is: 255,821.51
Step by Step Solution
- Step 1: Write the proportion equation
486,129.30 : 729,266.88 = 170,530.62 : x - Step 2: Convert to fraction form
486,129.30/729,266.88 = 170,530.62/x - Step 3: Cross multiply
486,129.30x = 729,266.88 × 170,530.62 - Step 4: Simplify right side
486,129.30x = 124,362,333,191.87 - Step 5: Solve for x
x = 124,362,333,191.87/486,129.30 - Step 6: Final answer
x = 255,821.51
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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.