Finding the Fourth Proportional to 202,670.24, 279,616.74 and 131,140.76
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Solution
The fourth proportional to 202,670.24, 279,616.74 and 131,140.76 is: 180,930.12
Step by Step Solution
- Step 1: Write the proportion equation
202,670.24 : 279,616.74 = 131,140.76 : x - Step 2: Convert to fraction form
202,670.24/279,616.74 = 131,140.76/x - Step 3: Cross multiply
202,670.24x = 279,616.74 × 131,140.76 - Step 4: Simplify right side
202,670.24x = 36,669,151,792.32 - Step 5: Solve for x
x = 36,669,151,792.32/202,670.24 - Step 6: Final answer
x = 180,930.12
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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.