Finding the Fourth Proportional to 153,135.26, 229,702.90 and 47,962.46
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Solution
The fourth proportional to 153,135.26, 229,702.90 and 47,962.46 is: 71,943.69
Step by Step Solution
- Step 1: Write the proportion equation
153,135.26 : 229,702.90 = 47,962.46 : x - Step 2: Convert to fraction form
153,135.26/229,702.90 = 47,962.46/x - Step 3: Cross multiply
153,135.26x = 229,702.90 × 47,962.46 - Step 4: Simplify right side
153,135.26x = 11,017,116,153.13 - Step 5: Solve for x
x = 11,017,116,153.13/153,135.26 - Step 6: Final answer
x = 71,943.69
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1.5x scale
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.