Finding the Fourth Proportional to 228,203.33, 315,242.71 and 207,751.23
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Solution
The fourth proportional to 228,203.33, 315,242.71 and 207,751.23 is: 286,989.95
Step by Step Solution
- Step 1: Write the proportion equation
228,203.33 : 315,242.71 = 207,751.23 : x - Step 2: Convert to fraction form
228,203.33/315,242.71 = 207,751.23/x - Step 3: Cross multiply
228,203.33x = 315,242.71 × 207,751.23 - Step 4: Simplify right side
228,203.33x = 65,492,060,751.03 - Step 5: Solve for x
x = 65,492,060,751.03/228,203.33 - Step 6: Final answer
x = 286,989.95
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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.