Finding the Fourth Proportional to 438,756.06, 658,232.52 and 139,246.44
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Solution
The fourth proportional to 438,756.06, 658,232.52 and 139,246.44 is: 208,900.90
Step by Step Solution
- Step 1: Write the proportion equation
438,756.06 : 658,232.52 = 139,246.44 : x - Step 2: Convert to fraction form
438,756.06/658,232.52 = 139,246.44/x - Step 3: Cross multiply
438,756.06x = 658,232.52 × 139,246.44 - Step 4: Simplify right side
438,756.06x = 91,656,535,102.23 - Step 5: Solve for x
x = 91,656,535,102.23/438,756.06 - Step 6: Final answer
x = 208,900.90
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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.