Finding the Fourth Proportional to 118,753.08, 178,113.06 and 30,001.08
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Solution
The fourth proportional to 118,753.08, 178,113.06 and 30,001.08 is: 44,997.44
Step by Step Solution
- Step 1: Write the proportion equation
118,753.08 : 178,113.06 = 30,001.08 : x - Step 2: Convert to fraction form
118,753.08/178,113.06 = 30,001.08/x - Step 3: Cross multiply
118,753.08x = 178,113.06 × 30,001.08 - Step 4: Simplify right side
118,753.08x = 5,343,584,162.10 - Step 5: Solve for x
x = 5,343,584,162.10/118,753.08 - Step 6: Final answer
x = 44,997.44
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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.