Finding the Fourth Proportional to 344,968.38, 517,457.16 and 108,311.09
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Solution
The fourth proportional to 344,968.38, 517,457.16 and 108,311.09 is: 162,468.07
Step by Step Solution
- Step 1: Write the proportion equation
344,968.38 : 517,457.16 = 108,311.09 : x - Step 2: Convert to fraction form
344,968.38/517,457.16 = 108,311.09/x - Step 3: Cross multiply
344,968.38x = 517,457.16 × 108,311.09 - Step 4: Simplify right side
344,968.38x = 56,046,346,440.62 - Step 5: Solve for x
x = 56,046,346,440.62/344,968.38 - Step 6: Final answer
x = 162,468.07
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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.