Finding the Fourth Proportional to 153,872.20, 230,840.70 and 48,701.80
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Solution
The fourth proportional to 153,872.20, 230,840.70 and 48,701.80 is: 73,062.95
Step by Step Solution
- Step 1: Write the proportion equation
153,872.20 : 230,840.70 = 48,701.80 : x - Step 2: Convert to fraction form
153,872.20/230,840.70 = 48,701.80/x - Step 3: Cross multiply
153,872.20x = 230,840.70 × 48,701.80 - Step 4: Simplify right side
153,872.20x = 11,242,357,603.26 - Step 5: Solve for x
x = 11,242,357,603.26/153,872.20 - Step 6: Final answer
x = 73,062.95
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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.