Finding the Fourth Proportional to 207,110.08, 285,536.64 and 135,366.76
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Solution
The fourth proportional to 207,110.08, 285,536.64 and 135,366.76 is: 186,626.21
Step by Step Solution
- Step 1: Write the proportion equation
207,110.08 : 285,536.64 = 135,366.76 : x - Step 2: Convert to fraction form
207,110.08/285,536.64 = 135,366.76/x - Step 3: Cross multiply
207,110.08x = 285,536.64 × 135,366.76 - Step 4: Simplify right side
207,110.08x = 38,652,169,818.09 - Step 5: Solve for x
x = 38,652,169,818.09/207,110.08 - Step 6: Final answer
x = 186,626.21
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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.