Finding the Fourth Proportional to 205,262.08, 307,654.08 and 86,894.08
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Solution
The fourth proportional to 205,262.08, 307,654.08 and 86,894.08 is: 130,239.93
Step by Step Solution
- Step 1: Write the proportion equation
205,262.08 : 307,654.08 = 86,894.08 : x - Step 2: Convert to fraction form
205,262.08/307,654.08 = 86,894.08/x - Step 3: Cross multiply
205,262.08x = 307,654.08 × 86,894.08 - Step 4: Simplify right side
205,262.08x = 26,733,318,239.85 - Step 5: Solve for x
x = 26,733,318,239.85/205,262.08 - Step 6: Final answer
x = 130,239.93
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1.5x scale
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.