Finding the Fourth Proportional to 283,064.54, 390,751.63 and 202,352.09
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Solution
The fourth proportional to 283,064.54, 390,751.63 and 202,352.09 is: 279,333.50
Step by Step Solution
- Step 1: Write the proportion equation
283,064.54 : 390,751.63 = 202,352.09 : x - Step 2: Convert to fraction form
283,064.54/390,751.63 = 202,352.09/x - Step 3: Cross multiply
283,064.54x = 390,751.63 × 202,352.09 - Step 4: Simplify right side
283,064.54x = 79,069,406,541.77 - Step 5: Solve for x
x = 79,069,406,541.77/283,064.54 - Step 6: Final answer
x = 279,333.50
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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.