Finding the Fourth Proportional to 189,459.84, 261,473.76 and 162,690.96
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Solution
The fourth proportional to 189,459.84, 261,473.76 and 162,690.96 is: 224,530.00
Step by Step Solution
- Step 1: Write the proportion equation
189,459.84 : 261,473.76 = 162,690.96 : x - Step 2: Convert to fraction form
189,459.84/261,473.76 = 162,690.96/x - Step 3: Cross multiply
189,459.84x = 261,473.76 × 162,690.96 - Step 4: Simplify right side
189,459.84x = 42,539,417,029.21 - Step 5: Solve for x
x = 42,539,417,029.21/189,459.84 - Step 6: Final answer
x = 224,530.00
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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.