Finding the Fourth Proportional to 102,089.68, 153,122.34 and 27,215.44
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Solution
The fourth proportional to 102,089.68, 153,122.34 and 27,215.44 is: 40,819.91
Step by Step Solution
- Step 1: Write the proportion equation
102,089.68 : 153,122.34 = 27,215.44 : x - Step 2: Convert to fraction form
102,089.68/153,122.34 = 27,215.44/x - Step 3: Cross multiply
102,089.68x = 153,122.34 × 27,215.44 - Step 4: Simplify right side
102,089.68x = 4,167,291,856.93 - Step 5: Solve for x
x = 4,167,291,856.93/102,089.68 - Step 6: Final answer
x = 40,819.91
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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.