Finding the Fourth Proportional to 99,733.60, 149,381.70 and 88,652.80
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Solution
The fourth proportional to 99,733.60, 149,381.70 and 88,652.80 is: 132,784.80
Step by Step Solution
- Step 1: Write the proportion equation
99,733.60 : 149,381.70 = 88,652.80 : x - Step 2: Convert to fraction form
99,733.60/149,381.70 = 88,652.80/x - Step 3: Cross multiply
99,733.60x = 149,381.70 × 88,652.80 - Step 4: Simplify right side
99,733.60x = 13,243,105,973.76 - Step 5: Solve for x
x = 13,243,105,973.76/99,733.60 - Step 6: Final answer
x = 132,784.80
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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.