Finding the Fourth Proportional to 274,232.96, 378,421.44 and 151,701.12
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Solution
The fourth proportional to 274,232.96, 378,421.44 and 151,701.12 is: 209,336.46
Step by Step Solution
- Step 1: Write the proportion equation
274,232.96 : 378,421.44 = 151,701.12 : x - Step 2: Convert to fraction form
274,232.96/378,421.44 = 151,701.12/x - Step 3: Cross multiply
274,232.96x = 378,421.44 × 151,701.12 - Step 4: Simplify right side
274,232.96x = 57,406,956,280.01 - Step 5: Solve for x
x = 57,406,956,280.01/274,232.96 - Step 6: Final answer
x = 209,336.46
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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.