Finding the Fourth Proportional to 425,516.68, 587,170.96 and 253,400.41
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Solution
The fourth proportional to 425,516.68, 587,170.96 and 253,400.41 is: 349,667.52
Step by Step Solution
- Step 1: Write the proportion equation
425,516.68 : 587,170.96 = 253,400.41 : x - Step 2: Convert to fraction form
425,516.68/587,170.96 = 253,400.41/x - Step 3: Cross multiply
425,516.68x = 587,170.96 × 253,400.41 - Step 4: Simplify right side
425,516.68x = 148,789,362,004.09 - Step 5: Solve for x
x = 148,789,362,004.09/425,516.68 - Step 6: Final answer
x = 349,667.52
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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.