Finding the Fourth Proportional to 230,655.64, 345,866.82 and 118,311.88
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Solution
The fourth proportional to 230,655.64, 345,866.82 and 118,311.88 is: 177,407.99
Step by Step Solution
- Step 1: Write the proportion equation
230,655.64 : 345,866.82 = 118,311.88 : x - Step 2: Convert to fraction form
230,655.64/345,866.82 = 118,311.88/x - Step 3: Cross multiply
230,655.64x = 345,866.82 × 118,311.88 - Step 4: Simplify right side
230,655.64x = 40,920,153,703.82 - Step 5: Solve for x
x = 40,920,153,703.82/230,655.64 - Step 6: Final answer
x = 177,407.99
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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.