Finding the Fourth Proportional to 224,455.71, 309,737.92 and 122,475.09
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Solution
The fourth proportional to 224,455.71, 309,737.92 and 122,475.09 is: 169,009.64
Step by Step Solution
- Step 1: Write the proportion equation
224,455.71 : 309,737.92 = 122,475.09 : x - Step 2: Convert to fraction form
224,455.71/309,737.92 = 122,475.09/x - Step 3: Cross multiply
224,455.71x = 309,737.92 × 122,475.09 - Step 4: Simplify right side
224,455.71x = 37,935,179,628.41 - Step 5: Solve for x
x = 37,935,179,628.41/224,455.71 - Step 6: Final answer
x = 169,009.64
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1.5x scale
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.