Finding the Fourth Proportional to 192,312.69, 265,390.05 and 106,277.46
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Solution
The fourth proportional to 192,312.69, 265,390.05 and 106,277.46 is: 146,662.09
Step by Step Solution
- Step 1: Write the proportion equation
192,312.69 : 265,390.05 = 106,277.46 : x - Step 2: Convert to fraction form
192,312.69/265,390.05 = 106,277.46/x - Step 3: Cross multiply
192,312.69x = 265,390.05 × 106,277.46 - Step 4: Simplify right side
192,312.69x = 28,204,980,423.27 - Step 5: Solve for x
x = 28,204,980,423.27/192,312.69 - Step 6: Final answer
x = 146,662.09
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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.