Finding the Fourth Proportional to 225,886.53, 311,671.14 and 135,208.05
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Solution
The fourth proportional to 225,886.53, 311,671.14 and 135,208.05 is: 186,555.82
Step by Step Solution
- Step 1: Write the proportion equation
225,886.53 : 311,671.14 = 135,208.05 : x - Step 2: Convert to fraction form
225,886.53/311,671.14 = 135,208.05/x - Step 3: Cross multiply
225,886.53x = 311,671.14 × 135,208.05 - Step 4: Simplify right side
225,886.53x = 42,140,447,080.68 - Step 5: Solve for x
x = 42,140,447,080.68/225,886.53 - Step 6: Final answer
x = 186,555.82
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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.