Finding the Fourth Proportional to 135,403.10, 203,104.65 and 133,070.30
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Solution
The fourth proportional to 135,403.10, 203,104.65 and 133,070.30 is: 199,605.45
Step by Step Solution
- Step 1: Write the proportion equation
135,403.10 : 203,104.65 = 133,070.30 : x - Step 2: Convert to fraction form
135,403.10/203,104.65 = 133,070.30/x - Step 3: Cross multiply
135,403.10x = 203,104.65 × 133,070.30 - Step 4: Simplify right side
135,403.10x = 27,027,196,706.90 - Step 5: Solve for x
x = 27,027,196,706.90/135,403.10 - Step 6: Final answer
x = 199,605.45
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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.