Finding the Fourth Proportional to 405,297.75, 607,958.97 and 139,054.53
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Solution
The fourth proportional to 405,297.75, 607,958.97 and 139,054.53 is: 208,586.03
Step by Step Solution
- Step 1: Write the proportion equation
405,297.75 : 607,958.97 = 139,054.53 : x - Step 2: Convert to fraction form
405,297.75/607,958.97 = 139,054.53/x - Step 3: Cross multiply
405,297.75x = 607,958.97 × 139,054.53 - Step 4: Simplify right side
405,297.75x = 84,539,448,832.63 - Step 5: Solve for x
x = 84,539,448,832.63/405,297.75 - Step 6: Final answer
x = 208,586.03
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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.