Finding the Fourth Proportional to 199,459.12, 275,160.88 and 118,841.44
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Solution
The fourth proportional to 199,459.12, 275,160.88 and 118,841.44 is: 163,945.95
Step by Step Solution
- Step 1: Write the proportion equation
199,459.12 : 275,160.88 = 118,841.44 : x - Step 2: Convert to fraction form
199,459.12/275,160.88 = 118,841.44/x - Step 3: Cross multiply
199,459.12x = 275,160.88 × 118,841.44 - Step 4: Simplify right side
199,459.12x = 32,700,515,210.87 - Step 5: Solve for x
x = 32,700,515,210.87/199,459.12 - Step 6: Final answer
x = 163,945.95
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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.