Finding the Fourth Proportional to 157,296.78, 217,116.99 and 107,024.94
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Solution
The fourth proportional to 157,296.78, 217,116.99 and 107,024.94 is: 147,726.69
Step by Step Solution
- Step 1: Write the proportion equation
157,296.78 : 217,116.99 = 107,024.94 : x - Step 2: Convert to fraction form
157,296.78/217,116.99 = 107,024.94/x - Step 3: Cross multiply
157,296.78x = 217,116.99 × 107,024.94 - Step 4: Simplify right side
157,296.78x = 23,236,932,827.73 - Step 5: Solve for x
x = 23,236,932,827.73/157,296.78 - Step 6: Final answer
x = 147,726.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.