Finding the Fourth Proportional to 149,947.06, 224,957.49 and 105,660.31
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Solution
The fourth proportional to 149,947.06, 224,957.49 and 105,660.31 is: 158,516.47
Step by Step Solution
- Step 1: Write the proportion equation
149,947.06 : 224,957.49 = 105,660.31 : x - Step 2: Convert to fraction form
149,947.06/224,957.49 = 105,660.31/x - Step 3: Cross multiply
149,947.06x = 224,957.49 × 105,660.31 - Step 4: Simplify right side
149,947.06x = 23,769,078,130.22 - Step 5: Solve for x
x = 23,769,078,130.22/149,947.06 - Step 6: Final answer
x = 158,516.47
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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.