Finding the Fourth Proportional to 292,561.80, 438,903.99 and 166,260.66
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Solution
The fourth proportional to 292,561.80, 438,903.99 and 166,260.66 is: 249,425.82
Step by Step Solution
- Step 1: Write the proportion equation
292,561.80 : 438,903.99 = 166,260.66 : x - Step 2: Convert to fraction form
292,561.80/438,903.99 = 166,260.66/x - Step 3: Cross multiply
292,561.80x = 438,903.99 × 166,260.66 - Step 4: Simplify right side
292,561.80x = 72,972,467,054.03 - Step 5: Solve for x
x = 72,972,467,054.03/292,561.80 - Step 6: Final answer
x = 249,425.82
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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.