Finding the Fourth Proportional to 153,531.06, 230,072.60 and 68,038.80
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Solution
The fourth proportional to 153,531.06, 230,072.60 and 68,038.80 is: 101,958.94
Step by Step Solution
- Step 1: Write the proportion equation
153,531.06 : 230,072.60 = 68,038.80 : x - Step 2: Convert to fraction form
153,531.06/230,072.60 = 68,038.80/x - Step 3: Cross multiply
153,531.06x = 230,072.60 × 68,038.80 - Step 4: Simplify right side
153,531.06x = 15,653,863,616.88 - Step 5: Solve for x
x = 15,653,863,616.88/153,531.06 - Step 6: Final answer
x = 101,958.94
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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.