Finding the Fourth Proportional to 235,062.99, 324,415.62 and 138,262.23
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Solution
The fourth proportional to 235,062.99, 324,415.62 and 138,262.23 is: 190,818.75
Step by Step Solution
- Step 1: Write the proportion equation
235,062.99 : 324,415.62 = 138,262.23 : x - Step 2: Convert to fraction form
235,062.99/324,415.62 = 138,262.23/x - Step 3: Cross multiply
235,062.99x = 324,415.62 × 138,262.23 - Step 4: Simplify right side
235,062.99x = 44,854,427,068.03 - Step 5: Solve for x
x = 44,854,427,068.03/235,062.99 - Step 6: Final answer
x = 190,818.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.