Finding the Fourth Proportional to 157,041.34, 235,472.49 and 107,181.79
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Solution
The fourth proportional to 157,041.34, 235,472.49 and 107,181.79 is: 160,711.59
Step by Step Solution
- Step 1: Write the proportion equation
157,041.34 : 235,472.49 = 107,181.79 : x - Step 2: Convert to fraction form
157,041.34/235,472.49 = 107,181.79/x - Step 3: Cross multiply
157,041.34x = 235,472.49 × 107,181.79 - Step 4: Simplify right side
157,041.34x = 25,238,362,973.96 - Step 5: Solve for x
x = 25,238,362,973.96/157,041.34 - Step 6: Final answer
x = 160,711.59
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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.