Finding the Fourth Proportional to 306,972.24, 460,520.64 and 129,479.84
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Solution
The fourth proportional to 306,972.24, 460,520.64 and 129,479.84 is: 194,246.03
Step by Step Solution
- Step 1: Write the proportion equation
306,972.24 : 460,520.64 = 129,479.84 : x - Step 2: Convert to fraction form
306,972.24/460,520.64 = 129,479.84/x - Step 3: Cross multiply
306,972.24x = 460,520.64 × 129,479.84 - Step 4: Simplify right side
306,972.24x = 59,628,138,783.90 - Step 5: Solve for x
x = 59,628,138,783.90/306,972.24 - Step 6: Final answer
x = 194,246.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.