Finding the Fourth Proportional to 230,612.58, 318,124.26 and 187,640.10
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Solution
The fourth proportional to 230,612.58, 318,124.26 and 187,640.10 is: 258,844.80
Step by Step Solution
- Step 1: Write the proportion equation
230,612.58 : 318,124.26 = 187,640.10 : x - Step 2: Convert to fraction form
230,612.58/318,124.26 = 187,640.10/x - Step 3: Cross multiply
230,612.58x = 318,124.26 × 187,640.10 - Step 4: Simplify right side
230,612.58x = 59,692,867,958.83 - Step 5: Solve for x
x = 59,692,867,958.83/230,612.58 - Step 6: Final answer
x = 258,844.80
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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.