Finding the Fourth Proportional to 157,346.08, 235,986.30 and 57,553.26
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Solution
The fourth proportional to 157,346.08, 235,986.30 and 57,553.26 is: 86,317.89
Step by Step Solution
- Step 1: Write the proportion equation
157,346.08 : 235,986.30 = 57,553.26 : x - Step 2: Convert to fraction form
157,346.08/235,986.30 = 57,553.26/x - Step 3: Cross multiply
157,346.08x = 235,986.30 × 57,553.26 - Step 4: Simplify right side
157,346.08x = 13,581,780,880.34 - Step 5: Solve for x
x = 13,581,780,880.34/157,346.08 - Step 6: Final answer
x = 86,317.89
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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.