Finding the Fourth Proportional to 186,412.68, 257,249.45 and 101,529.74
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Solution
The fourth proportional to 186,412.68, 257,249.45 and 101,529.74 is: 140,111.02
Step by Step Solution
- Step 1: Write the proportion equation
186,412.68 : 257,249.45 = 101,529.74 : x - Step 2: Convert to fraction form
186,412.68/257,249.45 = 101,529.74/x - Step 3: Cross multiply
186,412.68x = 257,249.45 × 101,529.74 - Step 4: Simplify right side
186,412.68x = 26,118,470,670.59 - Step 5: Solve for x
x = 26,118,470,670.59/186,412.68 - Step 6: Final answer
x = 140,111.02
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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.