Finding the Fourth Proportional to 389,460.30, 583,699.04 and 197,382.99
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Solution
The fourth proportional to 389,460.30, 583,699.04 and 197,382.99 is: 295,825.43
Step by Step Solution
- Step 1: Write the proportion equation
389,460.30 : 583,699.04 = 197,382.99 : x - Step 2: Convert to fraction form
389,460.30/583,699.04 = 197,382.99/x - Step 3: Cross multiply
389,460.30x = 583,699.04 × 197,382.99 - Step 4: Simplify right side
389,460.30x = 115,212,261,775.33 - Step 5: Solve for x
x = 115,212,261,775.33/389,460.30 - Step 6: Final answer
x = 295,825.43
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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.