Finding the Fourth Proportional to 509,598.99, 703,255.28 and 280,165.84
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Solution
The fourth proportional to 509,598.99, 703,255.28 and 280,165.84 is: 386,633.62
Step by Step Solution
- Step 1: Write the proportion equation
509,598.99 : 703,255.28 = 280,165.84 : x - Step 2: Convert to fraction form
509,598.99/703,255.28 = 280,165.84/x - Step 3: Cross multiply
509,598.99x = 703,255.28 × 280,165.84 - Step 4: Simplify right side
509,598.99x = 197,028,103,096.67 - Step 5: Solve for x
x = 197,028,103,096.67/509,598.99 - Step 6: Final answer
x = 386,633.62
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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.