Finding the Fourth Proportional to 221,029.16, 331,543.44 and 102,635.76
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Solution
The fourth proportional to 221,029.16, 331,543.44 and 102,635.76 is: 153,953.50
Step by Step Solution
- Step 1: Write the proportion equation
221,029.16 : 331,543.44 = 102,635.76 : x - Step 2: Convert to fraction form
221,029.16/331,543.44 = 102,635.76/x - Step 3: Cross multiply
221,029.16x = 331,543.44 × 102,635.76 - Step 4: Simplify right side
221,029.16x = 34,028,212,937.41 - Step 5: Solve for x
x = 34,028,212,937.41/221,029.16 - Step 6: Final answer
x = 153,953.50
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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.