Finding the Fourth Proportional to 172,241.08, 237,913.14 and 131,708.68
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Solution
The fourth proportional to 172,241.08, 237,913.14 and 131,708.68 is: 181,926.55
Step by Step Solution
- Step 1: Write the proportion equation
172,241.08 : 237,913.14 = 131,708.68 : x - Step 2: Convert to fraction form
172,241.08/237,913.14 = 131,708.68/x - Step 3: Cross multiply
172,241.08x = 237,913.14 × 131,708.68 - Step 4: Simplify right side
172,241.08x = 31,335,225,624.06 - Step 5: Solve for x
x = 31,335,225,624.06/172,241.08 - Step 6: Final answer
x = 181,926.55
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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.