Finding the Fourth Proportional to 445,237.56, 614,500.56 and 331,272.99
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Solution
The fourth proportional to 445,237.56, 614,500.56 and 331,272.99 is: 457,210.84
Step by Step Solution
- Step 1: Write the proportion equation
445,237.56 : 614,500.56 = 331,272.99 : x - Step 2: Convert to fraction form
445,237.56/614,500.56 = 331,272.99/x - Step 3: Cross multiply
445,237.56x = 614,500.56 × 331,272.99 - Step 4: Simplify right side
445,237.56x = 203,567,437,867.87 - Step 5: Solve for x
x = 203,567,437,867.87/445,237.56 - Step 6: Final answer
x = 457,210.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.