Finding the Fourth Proportional to 421,284.96, 631,368.54 and 184,369.68
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Solution
The fourth proportional to 421,284.96, 631,368.54 and 184,369.68 is: 276,309.92
Step by Step Solution
- Step 1: Write the proportion equation
421,284.96 : 631,368.54 = 184,369.68 : x - Step 2: Convert to fraction form
421,284.96/631,368.54 = 184,369.68/x - Step 3: Cross multiply
421,284.96x = 631,368.54 × 184,369.68 - Step 4: Simplify right side
421,284.96x = 116,405,215,681.87 - Step 5: Solve for x
x = 116,405,215,681.87/421,284.96 - Step 6: Final answer
x = 276,309.92
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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.