Finding the Fourth Proportional to 257,963.10, 386,616.60 and 229,750.80
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Solution
The fourth proportional to 257,963.10, 386,616.60 and 229,750.80 is: 344,334.03
Step by Step Solution
- Step 1: Write the proportion equation
257,963.10 : 386,616.60 = 229,750.80 : x - Step 2: Convert to fraction form
257,963.10/386,616.60 = 229,750.80/x - Step 3: Cross multiply
257,963.10x = 386,616.60 × 229,750.80 - Step 4: Simplify right side
257,963.10x = 88,825,473,143.28 - Step 5: Solve for x
x = 88,825,473,143.28/257,963.10 - Step 6: Final answer
x = 344,334.03
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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.