Finding the Fourth Proportional to 137,029.68, 205,486.56 and 48,261.60
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Solution
The fourth proportional to 137,029.68, 205,486.56 and 48,261.60 is: 72,371.99
Step by Step Solution
- Step 1: Write the proportion equation
137,029.68 : 205,486.56 = 48,261.60 : x - Step 2: Convert to fraction form
137,029.68/205,486.56 = 48,261.60/x - Step 3: Cross multiply
137,029.68x = 205,486.56 × 48,261.60 - Step 4: Simplify right side
137,029.68x = 9,917,110,164.10 - Step 5: Solve for x
x = 9,917,110,164.10/137,029.68 - Step 6: Final answer
x = 72,371.99
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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.