Finding the Fourth Proportional to 283,328.22, 390,873.64 and 187,668.84
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Solution
The fourth proportional to 283,328.22, 390,873.64 and 187,668.84 is: 258,903.98
Step by Step Solution
- Step 1: Write the proportion equation
283,328.22 : 390,873.64 = 187,668.84 : x - Step 2: Convert to fraction form
283,328.22/390,873.64 = 187,668.84/x - Step 3: Cross multiply
283,328.22x = 390,873.64 × 187,668.84 - Step 4: Simplify right side
283,328.22x = 73,354,802,605.38 - Step 5: Solve for x
x = 73,354,802,605.38/283,328.22 - Step 6: Final answer
x = 258,903.98
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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.