Finding the Fourth Proportional to 252,282.40, 348,133.84 and 139,106.08
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Solution
The fourth proportional to 252,282.40, 348,133.84 and 139,106.08 is: 191,957.64
Step by Step Solution
- Step 1: Write the proportion equation
252,282.40 : 348,133.84 = 139,106.08 : x - Step 2: Convert to fraction form
252,282.40/348,133.84 = 139,106.08/x - Step 3: Cross multiply
252,282.40x = 348,133.84 × 139,106.08 - Step 4: Simplify right side
252,282.40x = 48,427,533,797.75 - Step 5: Solve for x
x = 48,427,533,797.75/252,282.40 - Step 6: Final answer
x = 191,957.64
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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.