Finding the Fourth Proportional to 235,931.70, 331,237.50 and 235,931.70
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Solution
The fourth proportional to 235,931.70, 331,237.50 and 235,931.70 is: 331,237.50
Step by Step Solution
- Step 1: Write the proportion equation
235,931.70 : 331,237.50 = 235,931.70 : x - Step 2: Convert to fraction form
235,931.70/331,237.50 = 235,931.70/x - Step 3: Cross multiply
235,931.70x = 331,237.50 × 235,931.70 - Step 4: Simplify right side
235,931.70x = 78,149,426,478.75 - Step 5: Solve for x
x = 78,149,426,478.75/235,931.70 - Step 6: Final answer
x = 331,237.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.