Finding the Fourth Proportional to 225,542.58, 338,182.68 and 85,312.14
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Solution
The fourth proportional to 225,542.58, 338,182.68 and 85,312.14 is: 127,918.59
Step by Step Solution
- Step 1: Write the proportion equation
225,542.58 : 338,182.68 = 85,312.14 : x - Step 2: Convert to fraction form
225,542.58/338,182.68 = 85,312.14/x - Step 3: Cross multiply
225,542.58x = 338,182.68 × 85,312.14 - Step 4: Simplify right side
225,542.58x = 28,851,088,141.74 - Step 5: Solve for x
x = 28,851,088,141.74/225,542.58 - Step 6: Final answer
x = 127,918.59
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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.