Finding the Fourth Proportional to 156,953.24, 235,427.79 and 38,625.60
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Solution
The fourth proportional to 156,953.24, 235,427.79 and 38,625.60 is: 57,937.89
Step by Step Solution
- Step 1: Write the proportion equation
156,953.24 : 235,427.79 = 38,625.60 : x - Step 2: Convert to fraction form
156,953.24/235,427.79 = 38,625.60/x - Step 3: Cross multiply
156,953.24x = 235,427.79 × 38,625.60 - Step 4: Simplify right side
156,953.24x = 9,093,539,645.42 - Step 5: Solve for x
x = 9,093,539,645.42/156,953.24 - Step 6: Final answer
x = 57,937.89
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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.