Finding the Fourth Proportional to 192,688.08, 265,919.88 and 107,800.08
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Solution
The fourth proportional to 192,688.08, 265,919.88 and 107,800.08 is: 148,769.89
Step by Step Solution
- Step 1: Write the proportion equation
192,688.08 : 265,919.88 = 107,800.08 : x - Step 2: Convert to fraction form
192,688.08/265,919.88 = 107,800.08/x - Step 3: Cross multiply
192,688.08x = 265,919.88 × 107,800.08 - Step 4: Simplify right side
192,688.08x = 28,666,184,337.59 - Step 5: Solve for x
x = 28,666,184,337.59/192,688.08 - Step 6: Final answer
x = 148,769.89
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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.