Finding the Fourth Proportional to 172,555.20, 238,125.69 and 97,103.70
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Solution
The fourth proportional to 172,555.20, 238,125.69 and 97,103.70 is: 134,002.83
Step by Step Solution
- Step 1: Write the proportion equation
172,555.20 : 238,125.69 = 97,103.70 : x - Step 2: Convert to fraction form
172,555.20/238,125.69 = 97,103.70/x - Step 3: Cross multiply
172,555.20x = 238,125.69 × 97,103.70 - Step 4: Simplify right side
172,555.20x = 23,122,885,564.05 - Step 5: Solve for x
x = 23,122,885,564.05/172,555.20 - Step 6: Final answer
x = 134,002.83
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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.