Finding the Fourth Proportional to 285,816.68, 428,829.02 and 98,847.08
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Solution
The fourth proportional to 285,816.68, 428,829.02 and 98,847.08 is: 148,306.59
Step by Step Solution
- Step 1: Write the proportion equation
285,816.68 : 428,829.02 = 98,847.08 : x - Step 2: Convert to fraction form
285,816.68/428,829.02 = 98,847.08/x - Step 3: Cross multiply
285,816.68x = 428,829.02 × 98,847.08 - Step 4: Simplify right side
285,816.68x = 42,388,496,446.26 - Step 5: Solve for x
x = 42,388,496,446.26/285,816.68 - Step 6: Final answer
x = 148,306.59
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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.