Finding the Fourth Proportional to 305,457.84, 458,076.96 and 105,724.08
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Solution
The fourth proportional to 305,457.84, 458,076.96 and 105,724.08 is: 158,548.12
Step by Step Solution
- Step 1: Write the proportion equation
305,457.84 : 458,076.96 = 105,724.08 : x - Step 2: Convert to fraction form
305,457.84/458,076.96 = 105,724.08/x - Step 3: Cross multiply
305,457.84x = 458,076.96 × 105,724.08 - Step 4: Simplify right side
305,457.84x = 48,429,765,165.20 - Step 5: Solve for x
x = 48,429,765,165.20/305,457.84 - Step 6: Final answer
x = 158,548.12
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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.