Finding the Fourth Proportional to 252,263.40, 348,107.62 and 139,087.08
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Solution
The fourth proportional to 252,263.40, 348,107.62 and 139,087.08 is: 191,931.42
Step by Step Solution
- Step 1: Write the proportion equation
252,263.40 : 348,107.62 = 139,087.08 : x - Step 2: Convert to fraction form
252,263.40/348,107.62 = 139,087.08/x - Step 3: Cross multiply
252,263.40x = 348,107.62 × 139,087.08 - Step 4: Simplify right side
252,263.40x = 48,417,272,391.55 - Step 5: Solve for x
x = 48,417,272,391.55/252,263.40 - Step 6: Final answer
x = 191,931.42
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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.