Finding the Fourth Proportional to 228,963.14, 315,988.01 and 127,021.42
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Solution
The fourth proportional to 228,963.14, 315,988.01 and 127,021.42 is: 175,300.02
Step by Step Solution
- Step 1: Write the proportion equation
228,963.14 : 315,988.01 = 127,021.42 : x - Step 2: Convert to fraction form
228,963.14/315,988.01 = 127,021.42/x - Step 3: Cross multiply
228,963.14x = 315,988.01 × 127,021.42 - Step 4: Simplify right side
228,963.14x = 40,137,244,549.20 - Step 5: Solve for x
x = 40,137,244,549.20/228,963.14 - Step 6: Final answer
x = 175,300.02
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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.