Finding the Fourth Proportional to 225,867.68, 311,767.19 and 145,295.26
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Solution
The fourth proportional to 225,867.68, 311,767.19 and 145,295.26 is: 200,552.35
Step by Step Solution
- Step 1: Write the proportion equation
225,867.68 : 311,767.19 = 145,295.26 : x - Step 2: Convert to fraction form
225,867.68/311,767.19 = 145,295.26/x - Step 3: Cross multiply
225,867.68x = 311,767.19 × 145,295.26 - Step 4: Simplify right side
225,867.68x = 45,298,294,930.52 - Step 5: Solve for x
x = 45,298,294,930.52/225,867.68 - Step 6: Final answer
x = 200,552.35
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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.