Finding the Fourth Proportional to 252,579.13, 348,557.49 and 139,401.88
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Solution
The fourth proportional to 252,579.13, 348,557.49 and 139,401.88 is: 192,373.65
Step by Step Solution
- Step 1: Write the proportion equation
252,579.13 : 348,557.49 = 139,401.88 : x - Step 2: Convert to fraction form
252,579.13/348,557.49 = 139,401.88/x - Step 3: Cross multiply
252,579.13x = 348,557.49 × 139,401.88 - Step 4: Simplify right side
252,579.13x = 48,589,569,394.08 - Step 5: Solve for x
x = 48,589,569,394.08/252,579.13 - Step 6: Final answer
x = 192,373.65
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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.