Finding the Fourth Proportional to 228,625.12, 315,585.48 and 186,109.84
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Solution
The fourth proportional to 228,625.12, 315,585.48 and 186,109.84 is: 256,898.99
Step by Step Solution
- Step 1: Write the proportion equation
228,625.12 : 315,585.48 = 186,109.84 : x - Step 2: Convert to fraction form
228,625.12/315,585.48 = 186,109.84/x - Step 3: Cross multiply
228,625.12x = 315,585.48 × 186,109.84 - Step 4: Simplify right side
228,625.12x = 58,733,563,189.12 - Step 5: Solve for x
x = 58,733,563,189.12/228,625.12 - Step 6: Final answer
x = 256,898.99
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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.