Finding the Fourth Proportional to 172,658.10, 238,213.34 and 97,192.02
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Solution
The fourth proportional to 172,658.10, 238,213.34 and 97,192.02 is: 134,094.12
Step by Step Solution
- Step 1: Write the proportion equation
172,658.10 : 238,213.34 = 97,192.02 : x - Step 2: Convert to fraction form
172,658.10/238,213.34 = 97,192.02/x - Step 3: Cross multiply
172,658.10x = 238,213.34 × 97,192.02 - Step 4: Simplify right side
172,658.10x = 23,152,435,705.55 - Step 5: Solve for x
x = 23,152,435,705.55/172,658.10 - Step 6: Final answer
x = 134,094.12
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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.