Finding the Fourth Proportional to 498,113.21, 687,573.74 and 294,164.98
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Solution
The fourth proportional to 498,113.21, 687,573.74 and 294,164.98 is: 406,052.50
Step by Step Solution
- Step 1: Write the proportion equation
498,113.21 : 687,573.74 = 294,164.98 : x - Step 2: Convert to fraction form
498,113.21/687,573.74 = 294,164.98/x - Step 3: Cross multiply
498,113.21x = 687,573.74 × 294,164.98 - Step 4: Simplify right side
498,113.21x = 202,260,115,475.63 - Step 5: Solve for x
x = 202,260,115,475.63/498,113.21 - Step 6: Final answer
x = 406,052.50
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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.