Finding the Fourth Proportional to 128,852.84, 193,027.74 and 88,777.28
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Solution
The fourth proportional to 128,852.84, 193,027.74 and 88,777.28 is: 132,992.63
Step by Step Solution
- Step 1: Write the proportion equation
128,852.84 : 193,027.74 = 88,777.28 : x - Step 2: Convert to fraction form
128,852.84/193,027.74 = 88,777.28/x - Step 3: Cross multiply
128,852.84x = 193,027.74 × 88,777.28 - Step 4: Simplify right side
128,852.84x = 17,136,477,721.75 - Step 5: Solve for x
x = 17,136,477,721.75/128,852.84 - Step 6: Final answer
x = 132,992.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.