Finding the Fourth Proportional to 323,009.28, 484,157.10 and 133,365.09
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Solution
The fourth proportional to 323,009.28, 484,157.10 and 133,365.09 is: 199,900.31
Step by Step Solution
- Step 1: Write the proportion equation
323,009.28 : 484,157.10 = 133,365.09 : x - Step 2: Convert to fraction form
323,009.28/484,157.10 = 133,365.09/x - Step 3: Cross multiply
323,009.28x = 484,157.10 × 133,365.09 - Step 4: Simplify right side
323,009.28x = 64,569,655,215.64 - Step 5: Solve for x
x = 64,569,655,215.64/323,009.28 - Step 6: Final answer
x = 199,900.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.