Finding the Fourth Proportional to 148,881.06, 205,432.74 and 88,450.17
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Solution
The fourth proportional to 148,881.06, 205,432.74 and 88,450.17 is: 122,047.50
Step by Step Solution
- Step 1: Write the proportion equation
148,881.06 : 205,432.74 = 88,450.17 : x - Step 2: Convert to fraction form
148,881.06/205,432.74 = 88,450.17/x - Step 3: Cross multiply
148,881.06x = 205,432.74 × 88,450.17 - Step 4: Simplify right side
148,881.06x = 18,170,560,776.57 - Step 5: Solve for x
x = 18,170,560,776.57/148,881.06 - Step 6: Final answer
x = 122,047.50
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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.