Finding the Fourth Proportional to 272,825.15, 409,261.68 and 83,328.26
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Solution
The fourth proportional to 272,825.15, 409,261.68 and 83,328.26 is: 124,999.70
Step by Step Solution
- Step 1: Write the proportion equation
272,825.15 : 409,261.68 = 83,328.26 : x - Step 2: Convert to fraction form
272,825.15/409,261.68 = 83,328.26/x - Step 3: Cross multiply
272,825.15x = 409,261.68 × 83,328.26 - Step 4: Simplify right side
272,825.15x = 34,103,061,632.77 - Step 5: Solve for x
x = 34,103,061,632.77/272,825.15 - Step 6: Final answer
x = 124,999.70
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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.