Finding the Fourth Proportional to 159,625.78, 239,476.26 and 47,306.93
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Solution
The fourth proportional to 159,625.78, 239,476.26 and 47,306.93 is: 70,971.53
Step by Step Solution
- Step 1: Write the proportion equation
159,625.78 : 239,476.26 = 47,306.93 : x - Step 2: Convert to fraction form
159,625.78/239,476.26 = 47,306.93/x - Step 3: Cross multiply
159,625.78x = 239,476.26 × 47,306.93 - Step 4: Simplify right side
159,625.78x = 11,328,885,471.10 - Step 5: Solve for x
x = 11,328,885,471.10/159,625.78 - Step 6: Final answer
x = 70,971.53
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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.