Finding the Fourth Proportional to 235,053.84, 324,341.64 and 138,262.08
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Solution
The fourth proportional to 235,053.84, 324,341.64 and 138,262.08 is: 190,782.46
Step by Step Solution
- Step 1: Write the proportion equation
235,053.84 : 324,341.64 = 138,262.08 : x - Step 2: Convert to fraction form
235,053.84/324,341.64 = 138,262.08/x - Step 3: Cross multiply
235,053.84x = 324,341.64 × 138,262.08 - Step 4: Simplify right side
235,053.84x = 44,844,149,777.01 - Step 5: Solve for x
x = 44,844,149,777.01/235,053.84 - Step 6: Final answer
x = 190,782.46
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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.