Finding the Fourth Proportional to 225,586.32, 311,309.10 and 134,946.09
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Solution
The fourth proportional to 225,586.32, 311,309.10 and 134,946.09 is: 186,225.59
Step by Step Solution
- Step 1: Write the proportion equation
225,586.32 : 311,309.10 = 134,946.09 : x - Step 2: Convert to fraction form
225,586.32/311,309.10 = 134,946.09/x - Step 3: Cross multiply
225,586.32x = 311,309.10 × 134,946.09 - Step 4: Simplify right side
225,586.32x = 42,009,945,826.42 - Step 5: Solve for x
x = 42,009,945,826.42/225,586.32 - Step 6: Final answer
x = 186,225.59
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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.