Finding the Fourth Proportional to 188,507.63, 260,133.93 and 103,624.08
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Solution
The fourth proportional to 188,507.63, 260,133.93 and 103,624.08 is: 142,997.60
Step by Step Solution
- Step 1: Write the proportion equation
188,507.63 : 260,133.93 = 103,624.08 : x - Step 2: Convert to fraction form
188,507.63/260,133.93 = 103,624.08/x - Step 3: Cross multiply
188,507.63x = 260,133.93 × 103,624.08 - Step 4: Simplify right side
188,507.63x = 26,956,139,173.03 - Step 5: Solve for x
x = 26,956,139,173.03/188,507.63 - Step 6: Final answer
x = 142,997.60
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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.