Finding the Fourth Proportional to 351,009.54, 484,391.34 and 189,864.09
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Solution
The fourth proportional to 351,009.54, 484,391.34 and 189,864.09 is: 262,011.46
Step by Step Solution
- Step 1: Write the proportion equation
351,009.54 : 484,391.34 = 189,864.09 : x - Step 2: Convert to fraction form
351,009.54/484,391.34 = 189,864.09/x - Step 3: Cross multiply
351,009.54x = 484,391.34 × 189,864.09 - Step 4: Simplify right side
351,009.54x = 91,968,520,972.98 - Step 5: Solve for x
x = 91,968,520,972.98/351,009.54 - Step 6: Final answer
x = 262,011.46
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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.