Finding the Fourth Proportional to 298,457.96, 411,748.58 and 177,575.08
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Solution
The fourth proportional to 298,457.96, 411,748.58 and 177,575.08 is: 244,980.19
Step by Step Solution
- Step 1: Write the proportion equation
298,457.96 : 411,748.58 = 177,575.08 : x - Step 2: Convert to fraction form
298,457.96/411,748.58 = 177,575.08/x - Step 3: Cross multiply
298,457.96x = 411,748.58 × 177,575.08 - Step 4: Simplify right side
298,457.96x = 73,116,287,033.39 - Step 5: Solve for x
x = 73,116,287,033.39/298,457.96 - Step 6: Final answer
x = 244,980.19
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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.