Finding the Fourth Proportional to 147,026.98, 202,919.88 and 83,351.26
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Solution
The fourth proportional to 147,026.98, 202,919.88 and 83,351.26 is: 115,037.58
Step by Step Solution
- Step 1: Write the proportion equation
147,026.98 : 202,919.88 = 83,351.26 : x - Step 2: Convert to fraction form
147,026.98/202,919.88 = 83,351.26/x - Step 3: Cross multiply
147,026.98x = 202,919.88 × 83,351.26 - Step 4: Simplify right side
147,026.98x = 16,913,627,677.05 - Step 5: Solve for x
x = 16,913,627,677.05/147,026.98 - Step 6: Final answer
x = 115,037.58
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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.