Finding the Fourth Proportional to 292,355.67, 438,562.14 and 121,542.06
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Solution
The fourth proportional to 292,355.67, 438,562.14 and 121,542.06 is: 182,324.99
Step by Step Solution
- Step 1: Write the proportion equation
292,355.67 : 438,562.14 = 121,542.06 : x - Step 2: Convert to fraction form
292,355.67/438,562.14 = 121,542.06/x - Step 3: Cross multiply
292,355.67x = 438,562.14 × 121,542.06 - Step 4: Simplify right side
292,355.67x = 53,303,745,933.61 - Step 5: Solve for x
x = 53,303,745,933.61/292,355.67 - Step 6: Final answer
x = 182,324.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.