Finding the Fourth Proportional to 347,305.08, 479,143.98 and 218,167.68
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Solution
The fourth proportional to 347,305.08, 479,143.98 and 218,167.68 is: 300,985.32
Step by Step Solution
- Step 1: Write the proportion equation
347,305.08 : 479,143.98 = 218,167.68 : x - Step 2: Convert to fraction form
347,305.08/479,143.98 = 218,167.68/x - Step 3: Cross multiply
347,305.08x = 479,143.98 × 218,167.68 - Step 4: Simplify right side
347,305.08x = 104,533,730,502.57 - Step 5: Solve for x
x = 104,533,730,502.57/347,305.08 - Step 6: Final answer
x = 300,985.32
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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.