Finding the Fourth Proportional to 255,083.68, 351,920.40 and 159,554.08
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Solution
The fourth proportional to 255,083.68, 351,920.40 and 159,554.08 is: 220,125.16
Step by Step Solution
- Step 1: Write the proportion equation
255,083.68 : 351,920.40 = 159,554.08 : x - Step 2: Convert to fraction form
255,083.68/351,920.40 = 159,554.08/x - Step 3: Cross multiply
255,083.68x = 351,920.40 × 159,554.08 - Step 4: Simplify right side
255,083.68x = 56,150,335,655.23 - Step 5: Solve for x
x = 56,150,335,655.23/255,083.68 - Step 6: Final answer
x = 220,125.16
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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.