Finding the Fourth Proportional to 151,277.40, 226,916.10 and 134,947.80
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Solution
The fourth proportional to 151,277.40, 226,916.10 and 134,947.80 is: 202,421.70
Step by Step Solution
- Step 1: Write the proportion equation
151,277.40 : 226,916.10 = 134,947.80 : x - Step 2: Convert to fraction form
151,277.40/226,916.10 = 134,947.80/x - Step 3: Cross multiply
151,277.40x = 226,916.10 × 134,947.80 - Step 4: Simplify right side
151,277.40x = 30,621,828,479.58 - Step 5: Solve for x
x = 30,621,828,479.58/151,277.40 - Step 6: Final answer
x = 202,421.70
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1.5x scale
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.