Finding the Fourth Proportional to 225,607.68, 311,338.66 and 134,967.42
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Solution
The fourth proportional to 225,607.68, 311,338.66 and 134,967.42 is: 186,255.08
Step by Step Solution
- Step 1: Write the proportion equation
225,607.68 : 311,338.66 = 134,967.42 : x - Step 2: Convert to fraction form
225,607.68/311,338.66 = 134,967.42/x - Step 3: Cross multiply
225,607.68x = 311,338.66 × 134,967.42 - Step 4: Simplify right side
225,607.68x = 42,020,575,686.46 - Step 5: Solve for x
x = 42,020,575,686.46/225,607.68 - Step 6: Final answer
x = 186,255.08
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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.