Finding the Fourth Proportional to 292,570.65, 438,940.05 and 121,759.14
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Solution
The fourth proportional to 292,570.65, 438,940.05 and 121,759.14 is: 182,673.70
Step by Step Solution
- Step 1: Write the proportion equation
292,570.65 : 438,940.05 = 121,759.14 : x - Step 2: Convert to fraction form
292,570.65/438,940.05 = 121,759.14/x - Step 3: Cross multiply
292,570.65x = 438,940.05 × 121,759.14 - Step 4: Simplify right side
292,570.65x = 53,444,962,999.56 - Step 5: Solve for x
x = 53,444,962,999.56/292,570.65 - Step 6: Final answer
x = 182,673.70
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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.