Finding the Fourth Proportional to 361,965.36, 542,625.41 and 137,483.44
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Solution
The fourth proportional to 361,965.36, 542,625.41 and 137,483.44 is: 206,102.62
Step by Step Solution
- Step 1: Write the proportion equation
361,965.36 : 542,625.41 = 137,483.44 : x - Step 2: Convert to fraction form
361,965.36/542,625.41 = 137,483.44/x - Step 3: Cross multiply
361,965.36x = 542,625.41 × 137,483.44 - Step 4: Simplify right side
361,965.36x = 74,602,009,020.20 - Step 5: Solve for x
x = 74,602,009,020.20/361,965.36 - Step 6: Final answer
x = 206,102.62
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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.