Finding the Fourth Proportional to 246,396.79, 340,027.50 and 138,966.58
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Solution
The fourth proportional to 246,396.79, 340,027.50 and 138,966.58 is: 191,773.84
Step by Step Solution
- Step 1: Write the proportion equation
246,396.79 : 340,027.50 = 138,966.58 : x - Step 2: Convert to fraction form
246,396.79/340,027.50 = 138,966.58/x - Step 3: Cross multiply
246,396.79x = 340,027.50 × 138,966.58 - Step 4: Simplify right side
246,396.79x = 47,252,457,080.81 - Step 5: Solve for x
x = 47,252,457,080.81/246,396.79 - Step 6: Final answer
x = 191,773.84
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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.