Finding the Fourth Proportional to 283,459.69, 425,190.08 and 266,138.65
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Solution
The fourth proportional to 283,459.69, 425,190.08 and 266,138.65 is: 399,208.49
Step by Step Solution
- Step 1: Write the proportion equation
283,459.69 : 425,190.08 = 266,138.65 : x - Step 2: Convert to fraction form
283,459.69/425,190.08 = 266,138.65/x - Step 3: Cross multiply
283,459.69x = 425,190.08 × 266,138.65 - Step 4: Simplify right side
283,459.69x = 113,159,513,884.59 - Step 5: Solve for x
x = 113,159,513,884.59/283,459.69 - Step 6: Final answer
x = 399,208.49
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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.