Finding the Fourth Proportional to 285,655.68, 428,336.64 and 167,559.84
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Solution
The fourth proportional to 285,655.68, 428,336.64 and 167,559.84 is: 251,253.60
Step by Step Solution
- Step 1: Write the proportion equation
285,655.68 : 428,336.64 = 167,559.84 : x - Step 2: Convert to fraction form
285,655.68/428,336.64 = 167,559.84/x - Step 3: Cross multiply
285,655.68x = 428,336.64 × 167,559.84 - Step 4: Simplify right side
285,655.68x = 71,772,018,864.54 - Step 5: Solve for x
x = 71,772,018,864.54/285,655.68 - Step 6: Final answer
x = 251,253.60
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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.