Finding the Fourth Proportional to 230,588.68, 345,821.10 and 88,403.08
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Solution
The fourth proportional to 230,588.68, 345,821.10 and 88,403.08 is: 132,580.88
Step by Step Solution
- Step 1: Write the proportion equation
230,588.68 : 345,821.10 = 88,403.08 : x - Step 2: Convert to fraction form
230,588.68/345,821.10 = 88,403.08/x - Step 3: Cross multiply
230,588.68x = 345,821.10 × 88,403.08 - Step 4: Simplify right side
230,588.68x = 30,571,650,368.99 - Step 5: Solve for x
x = 30,571,650,368.99/230,588.68 - Step 6: Final answer
x = 132,580.88
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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.