Finding the Fourth Proportional to 297,941.70, 446,912.55 and 157,973.70
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Solution
The fourth proportional to 297,941.70, 446,912.55 and 157,973.70 is: 236,960.55
Step by Step Solution
- Step 1: Write the proportion equation
297,941.70 : 446,912.55 = 157,973.70 : x - Step 2: Convert to fraction form
297,941.70/446,912.55 = 157,973.70/x - Step 3: Cross multiply
297,941.70x = 446,912.55 × 157,973.70 - Step 4: Simplify right side
297,941.70x = 70,600,429,099.94 - Step 5: Solve for x
x = 70,600,429,099.94/297,941.70 - Step 6: Final answer
x = 236,960.55
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1.5x scale
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.