Finding the Fourth Proportional to 291,948.84, 402,998.58 and 227,289.96
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Solution
The fourth proportional to 291,948.84, 402,998.58 and 227,289.96 is: 313,745.14
Step by Step Solution
- Step 1: Write the proportion equation
291,948.84 : 402,998.58 = 227,289.96 : x - Step 2: Convert to fraction form
291,948.84/402,998.58 = 227,289.96/x - Step 3: Cross multiply
291,948.84x = 402,998.58 × 227,289.96 - Step 4: Simplify right side
291,948.84x = 91,597,531,128.26 - Step 5: Solve for x
x = 91,597,531,128.26/291,948.84 - Step 6: Final answer
x = 313,745.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.