Finding the Fourth Proportional to 146,508.18, 218,530.65 and 133,054.08
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Solution
The fourth proportional to 146,508.18, 218,530.65 and 133,054.08 is: 198,462.60
Step by Step Solution
- Step 1: Write the proportion equation
146,508.18 : 218,530.65 = 133,054.08 : x - Step 2: Convert to fraction form
146,508.18/218,530.65 = 133,054.08/x - Step 3: Cross multiply
146,508.18x = 218,530.65 × 133,054.08 - Step 4: Simplify right side
146,508.18x = 29,076,394,587.55 - Step 5: Solve for x
x = 29,076,394,587.55/146,508.18 - Step 6: Final answer
x = 198,462.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.