Finding the Fourth Proportional to 115,316.98, 173,052.43 and 40,437.07
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Solution
The fourth proportional to 115,316.98, 173,052.43 and 40,437.07 is: 60,682.59
Step by Step Solution
- Step 1: Write the proportion equation
115,316.98 : 173,052.43 = 40,437.07 : x - Step 2: Convert to fraction form
115,316.98/173,052.43 = 40,437.07/x - Step 3: Cross multiply
115,316.98x = 173,052.43 × 40,437.07 - Step 4: Simplify right side
115,316.98x = 6,997,732,691.86 - Step 5: Solve for x
x = 6,997,732,691.86/115,316.98 - Step 6: Final answer
x = 60,682.59
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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.