Finding the Fourth Proportional to 172,659.08, 238,404.68 and 135,040.52
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Solution
The fourth proportional to 172,659.08, 238,404.68 and 135,040.52 is: 186,461.62
Step by Step Solution
- Step 1: Write the proportion equation
172,659.08 : 238,404.68 = 135,040.52 : x - Step 2: Convert to fraction form
172,659.08/238,404.68 = 135,040.52/x - Step 3: Cross multiply
172,659.08x = 238,404.68 × 135,040.52 - Step 4: Simplify right side
172,659.08x = 32,194,291,957.63 - Step 5: Solve for x
x = 32,194,291,957.63/172,659.08 - Step 6: Final answer
x = 186,461.62
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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.